高频词，一定要记住哦！
（表示方向）向；
（表示对象）对；
（表示位置）在…上；
（表示时间）在…之时
（放，穿，连接）上；
向前，（继续）下去
活动着的情况，状态；
使用着的；
发生着的；
开(open)；
在……上；
大家都在背：
1. Eventually, you'll learn to cry that on the inside.
终有一天，你会学会让泪往心里流。
来自美剧《破产姐妹》
2. A fellow doesn't last long on what he has done. He's got to keep on delivering as he goes along.--Carl Hubbell, Baseball Player
靠过去完成的无法让人保有成功，必须在路上持续交出成绩。
来自金山词霸 每日一句
3. She went directly to Simon's apartment and knocked on the door.
她直奔西蒙的房间，敲了敲门。
来自柯林斯例句
4. He said they should turn their fire on the Conservative Party instead.
他说他们应该掉转枪口，向保守党开火。
来自柯林斯例句
5. A changing world has put pressures on the company.
日新月异的世界使这家公司感到了压力。
来自柯林斯例句
be on about
1. (英，非正式)滔滔不绝地谈
she's always on about doing one's duty.
她总是滔滔不绝地谈尽义务。
be on at someone
1. (英，非正式)对某人不断唠叨
be on to someone
1. (非正式)几乎发现某人的非法行径
be on to something
1. (非正式)（对重要发现）有头绪
be on to【俚语】
1. 知道，意识到：意识到…或知道…的情况
You'll ne we're on to you.
你再也骗不了我们了；我们已识破了你的诡计
on and off
1. 间断地，持续地
1. 无间断地；连续不断地
1. “在从事...中的,在发生着的”释义下的同义词
2. “处于...情况中的,起着作用的”释义下的同义词
3. “正在广播的”释义下的同义词
1. “之上;在表面”释义下的反义词
其他释义下的反义词
：一般指位置高于某物，但不一定在正上方，也不接触另一物，其反义词是below。
：指与另一物表面相接触。
：指一物在另一物的垂直上方，多暗示悬空，但也含"覆盖于……之上"之意。其反义词是under。
at, in, on这些前置词在表示地点或时间时均含“在……”之意。
：表地点时，指空间位置上的某一点；表时间时，指在时间上的某一时刻。
：表地点时，指在某一立体空间范围内；表时间时，指一段时间或与年、月、季节时间连用。
：表地点时，指某物与另一物表面相接触，或与某地方接壤等；表时间时，指在某一天或某一天的某个时间，尤指在星期几。
In addition to the uses shown below, on is used after some verbs, nouns, and adjectives in order to introduce extra information. On is also used in phrasal verbs such as ‘keep on’, ‘cotton on’, and ‘sign on’.除下列用法外，on可以用在某些动词、名词和形容词之后引出附加信息。on还可用于keep on, cotton on, sign on等短语动词中。
The preposition is pronounced /?n/. The adverb and the adjective are pronounced
/'?n/. 作介词时读作/?n/。作副词和形容词时在句中重读。
（表示支承）在…上 If someone or something is on a surface or object, the surface or object is immediately below them and is supporting their weight.&
He is sitting beside her on the sofa...
他挨着她坐在沙发上。
On top of the cupboards are vast straw baskets which Pat uses for dried flower arrangements...
橱柜顶上摆着帕特用来插干花的大草篮。
On the table were dishes piled high with sweets...
桌上放着堆满了糖果的碟子。
（表示粘贴或附着）在…上 If something is on a surface or object, it is stuck to it or attached to it.&
【搭配模式】：ADV after v
I admired the peeling paint on the ceiling...
我“观赏”着天花板上正在剥落的油漆。
The clock on the wall showed one minute to twelve...
墙上的钟指向11点59分。
There was a smear of gravy on his chin.
他下巴上沾了些肉汁。
On is also an adverb.
I know how to darn, and how to sew a button on.
我会打补丁，缝纽扣。
（放、扔或掉）在…上面 If you put, throw, or drop something on a surface, you move it or drop it so that it is then supported by the surface.&
He got his winter jacket from the closet and dropped it on the sofa...
他从衣橱里取出冬天穿的夹克，把它扔到沙发上。
He threw a folded dollar on the counter.
他将折起的1美元钞票扔到柜台上。
（身体重量）由（某部位）支撑 You use on to say what part of your body is supporting your weight.&
He continued to lie on his back and look at clouds...
他仍旧仰卧着，望着天上的云彩。
He raised himself on his elbows, squinting into the sun...
他用胳膊肘支起身子，眯着眼睛看了看太阳。
She was on her hands and knees in the bathroom.
她趴在浴室的地上。
（表示接触到身体某部位）在…上 You use on to say that someone or something touches a part of a person's body.&
He leaned down and kissed her lightly on the mouth...
他俯下身去，在她嘴唇上轻轻一吻。
His jaw was broken after he was hit on the head.
他的头部受重击之后下颌骨折了。
（某种表情）在（脸）上 If someone has a particular expression on their face, their face has that expression.&
【搭配模式】：n PREP n
The maid looked at him, a nervous smile on her face...
女服务员看着他，脸上带着一丝局促不安的微笑。
She looked at him with a hurt expression on her face.
她望着他，脸上流露出受伤的表情。
（穿或戴）上，在身上 When you put a piece of clothing on, you place it over part of your body in order to wear it. If you have it on, you are wearing it.&
【搭配模式】：ADV after v
He put his coat on while she opened the front door...
她打开前门时，他穿上了大衣。
I had a hat on.
我戴了顶帽子。
带在…身上 You can say that you have something on you if you are carrying it in your pocket or in a bag.&
【搭配模式】：PREP pron
I didn't have any money on me...
我身上一分钱也没有。
I have those numbers, but not on me at the moment, they're at home.
我有这些号码，但眼下没带在身上，搁在家里了。
（视线）落在…身上 If someone's eyes are on you, they are looking or staring at you.&
Everyone's eyes were fixed on him...
每个人都盯着他看。
It's as if all eyes are focused on me...
好像所有的目光都聚集在我身上似的。
Ellen is eating, her eyes on her food.
埃伦在吃东西，眼睛只盯着食物。
（碰）上…（而受伤） If you hurt yourself on something, you accidentally hit a part of your body against it and that thing causes damage to you.&
Mr Pendle hit his head on a wall as he fell...
彭德尔先生摔倒时头磕到了墙上。
One day when my wife was doing the dishes she cut her hand on a broken glass.
一天，我妻子洗碗碟时，被一只破玻璃杯割破了手。
在（某）地 If you are on an area of land, you are there.&
He was able to spend only a few days at a time on the island...
他每次去岛上都只能呆几天。
You lived on the farm until you came back to America?
你回美国之前一直生活在农场吗？
...a tall tree on a mountain.
山上的一棵大树
是（道路、海岸等）的一部分；在…边上 If something is situated on a place such as a road or coast, it forms part of it or is by the side of it.&
Bergdorf Goodman has opened a men's store on Fifth Avenue...
波道夫·古德曼在第五大道上开了一家男装店。
The hotel is on the coast...
这家饭店在海边。
He visited relatives at their summer house on the river.
他拜访了住在河畔避暑别墅的亲戚。
上，乘（公共汽车、火车或飞机） If you get on a bus, train, or plane, you go into it in order to travel somewhere. If you are on it, you are travelling in it.&
We waited till twelve and we finally got on the plane...
我们一直等到12点才终于上了飞机。
I never go on the bus into the town...
我从不坐公共汽车去城里。
His son came up with me to Birmingham every day on the train.
他儿子每天跟我坐火车去伯明翰。
On is also an adverb.
He showed his ticket to the conductor and got on.
他向检票员出示了车票，然后上了车。
（写或印刷）在…上 If there is something on a piece of paper, it has been written or printed there.&
The writing on the back of the card was cramped but scrupulously neat...
这张卡片的背面写满了密密麻麻但却十分工整的字。
The numbers she put on the chart were 98.4, 64, and 105...
她在图表上写的数字是98.4，64和105。
How does a poem change when you read it out loud as opposed to it being on the page?
将写在纸上的诗大声读出来会有怎样的不同？
在（名单）上；包括在…内 If something is on a list, it is included in it.&
I've seen your name on the list of deportees...
我看见你的名字在被驱逐出境者名单之列。
The Queen now doesn't even appear on the list of the 40 richest people in Britain.
如今女王甚至连英国首富榜的前40名都挤不进去。
...the range of topics on the agenda for their talks.
他们会谈日程表上的议题范围
（书、讨论或观点）关于，涉及 Books, discussions, or ideas on a particular subject are concerned with that subject.&
The longest chapter in almost any book on baby care is on feeding...
几乎所有关于婴儿护理的书籍中内容最多的一章都是喂养。
They offer a free counselling service which can offer help and advice on legal matters...
他们提供免费咨询服务，给予法律问题的援助和建议。
He declined to give any information on the Presidential election...
他拒绝透露任何有关总统选举的消息。
以，凭，靠（某一方法、原则或系统） You use on to introduce the method, principle, or system which is used to do something.&
...a television that we bought on credit two months ago.
我们两个月前赊购的电视机
...a levelling system which acts on the same principle as a spirit level...
工作原理与气泡水准仪相同的水准测量系统
They want all groups to be treated on an equal basis.
他们希望所有团体都能得到一视同仁的对待。
通过，借助于（某一器械或机器） If something is done on an instrument or a machine, it is done using that instrument or machine.&
...songs that I could just sit down and play on the piano...
我坐下来就可以在钢琴上弹出的歌曲
I could do all my work on the computer...
我所有的工作都能在计算机上完成。
She sewed the dresses on the sewing machine.
她用缝纫机缝制了这些裙子。
以…方式（储存信息） If information is, for example, on tape or on computer, that is the way that it is stored.&
'I thought it was a load of rubbish.' — 'Right we've got that on tape.'...
“我觉得那是一派胡言。”——“没错，我们已经把它录在磁带上了。”
Descriptions of the pieces have been logged on computer by the Art Loss Register...
艺术品失窃登记处已经将这些艺术品的描述信息输入到计算机里。
A special version of 'Casablanca' is being released on video to commemorate the film's 50th birthday.
为纪念该片上映50周年，准备发行《北非谍影》的特别版录像带。
在（广播或电视）上播出 If something is being broadcast, you can say that it is on the radio or television.&
【搭配模式】：v-link ADJ
Every sporting event on television and satellite over the next seven days is listed...
未来7天通过电视和卫星转播的每一项体育赛事都列在节目预告单上。
Here, listen, they're talking about it on Radio-Paris right now.
嘿，听，巴黎电台正在谈论这事呢。
On is also an adjective.
...teenagers complaining there's nothing good on.
抱怨没有好节目看的青少年
正在发生的 When an activity is taking place, you can say that it is on .&
【搭配模式】：v-link ADJ
There's a marvellous match on at Wimbledon at the moment...
此刻在温布尔登正进行着一场精彩的比赛。
Every year they put a play on at Saint Holy Cross Church...
他们每年在圣十字教堂上演一出剧目。
We in Berlin hardly knew a war was on during the early part of 1941.
我们身处柏林的人在1941年初几乎感受不到正在打仗。
（表示某人忙碌程度）忙得很/没什么可忙 You use on in expressions such as 'have a lot on' and 'not have very much on' to indicate how busy someone is.&
【搭配模式】：ADV after v
【STYLE标签】：SPOKEN 口语
I have a lot on in the next week.
我下周特别忙。
（引出所进行的活动，特别是旅行）处于…情况中，在从事…中 You use on to introduce an activity that someone is doing, particularly travelling.&
I've always wanted to go on a cruise...
我一直想坐游轮旅游。
They look happy and relaxed as they stroll in the sunshine on a shopping trip...
他们漫步于阳光下购物，看上去悠然惬意。
Students on the full-time course of study are usually sponsored...
全日制学生通常都得到资助。
（机器、电灯等）开着，工作着，使用中 When something such as a machine or an electric light is on, it is functioning or in use. When you switch it on, it starts functioning.&
【搭配模式】：be ADV
The light was on and the door was open...
灯亮着，门也敞开着。
The central heating's been turned off. I've turned it on again...
中央供暖系统已经关上。我又将它打开了。
The light had been left on...
灯没有关。
是…的成员；供职于 If you are on a committee or council, you are a member of it.&
Claire and Beryl were on the organizing committee...
克莱尔和贝丽尔是组委会成员。
He was on the Council of Foreign Relations.
他任职于外交关系委员会。
在（某一日子或日期）（发生） You can indicate when something happens by saying that it happens on a particular day or date.&
This year's event will take place on June 19th, a week earlier than usual...
今年的活动将于6月19日举行，比往年提前一周。
She travels to Korea on Monday...
她周一前往韩国。
I was born on Christmas day...
我出生在圣诞节那天。
在…后立即；一…就 You use on when mentioning an event that was followed by another one.&
【搭配模式】：PREP n/-ing
She waited in her hotel to welcome her children on their arrival from London...
她在宾馆里等候，准备第一时间迎接孩子们从伦敦过来。
On reaching Dubai the evacuees are taken straight to Dubai international airport.
撤离人员一抵达迪拜就径直被送往迪拜国际机场。
（继续）下去 You use on to say that someone is continuing to do something.&
【搭配模式】：ADV after v
They walked on in silence for a while...
他们继续默默无语地走了一会儿。
If the examination shows your company enjoys basically good health, read on...
要是审查表明你们公司的运营状况基本良好，请继续往下读。
He happened to be in England when the war broke out and he just stayed on.
战争爆发时他碰巧在英格兰，于是就留在那里了。
不停地（数落、抱怨、纠缠） If you say that someone goes on at you, you mean that they continually criticize you, complain to you, or ask you to do something.&
【搭配模式】：be ADV
She's been on at me for weeks to show her round the stables...
她缠了我好几个星期了，要我带她去马厩看看。
He used to keep on at me about the need to win...
他以前总是跟我唠叨必须获胜才行。
He'll go on at me for telling...
他会因为我嘴快而没完没了地数落我。
从…时候起；自…以后 You use on in expressions such as from now on and from then on to indicate that something starts to happen at the time mentioned and continues to happen afterwards.&
【搭配模式】：from n ADV
Perhaps it would be best not to see much of you from now on...
也许从现在起我们最好少见面。
We can expect trouble from this moment on...
从此刻起，我们将会麻烦缠身。
Morrison took the news badly and from then on his spirits noticeably sagged.
这消息对莫里森打击很大，从那以后，他明显萎靡不振。
（常用在副词early，late，far及其比较级之后，尤置于句首、句尾或介词之前） You often use on after the adverbs 'early', 'late', 'far', and their comparative forms, especially at the beginning or end of a sentence, or before a preposition.&
【搭配模式】：adv ADV
The market square is a riot of colour and animation from early on in the morning...
从大清早起这个市集广场就色彩缤纷，生机勃勃。
Later on I learned how to read music...
后来我学会了识谱。
The pub where I had arranged to meet Nobby was a good five minutes walk further on.
我约诺比见面的那家酒馆至少得再走5分钟才到。
定期服用；服…成瘾 Someone who is on a drug takes it regularly.&
She was on antibiotics for an eye infection that wouldn't go away...
由于眼睛感染一直不见好，她在服用抗生素。
Many of the elderly are on medication.
许多老年人都需按时服药。
以…（为食）；（机器）用（某种动力或燃料运转） If you live on a particular kind of food, you eat it. If a machine runs on a particular kind of power or fuel, it uses it in order to function.&
【搭配模式】：v PREP n
The caterpillars feed on a wide range of trees, shrubs and plants...
毛虫以各类树木、灌木和植物为食。
He lived on a diet of water and tinned fish...
他仅靠喝水、吃鱼罐头过活。
The system could be used to ensure that cars are converted to run on unleaded petrol.
这一系统可以用来确保汽车得以改用无铅汽油。
以…（为收入） If you are on a particular income, that is the income that you have.&
...young people who are unemployed or on low wages...
失业或低收入的年轻人
He's on three hundred a week...
他的周薪为300块。
You won't be rich as an MP, but you'll have enough to live on.
当议会议员不会很有钱，但过日子的钱还是足够了。
（税收或利润）获自…，来自… Taxes or profits that are obtained from something are referred to as taxes or profits on it.&
【搭配模式】：n PREP n
...a general strike to protest a tax on food and medicine last week...
上周抗议对食品和药品征税的大罢工
The Church was to receive a cut of the profits on every record sold...
每卖出一张唱片就会有一部分利润捐给教会。
Loans were extended to help pay the interest on the old ones.
这些贷款延期偿还以支付旧账利息。
在…方面（花钱） When you buy something or pay for something, you spend money on it.&
【搭配模式】：PREP n/-ing
I resolved not to waste money on a hotel...
我决心不在住旅馆方面浪费钱。
He spent more on feeding the dog than he spent on feeding himself...
他喂狗花的钱比自己的饮食开销还多。
More money should be spent on education and housing.
应当在教育和住房方面投入更多的资金。
在…方面（花时间或精力） When you spend time or energy on a particular activity, you spend time or energy doing it.&
【搭配模式】：PREP n/-ing
People complain about how children spend so much time on computer games...
人们常抱怨孩子花太多时间玩电脑游戏。
You all know why I am here. So I won't waste time on preliminaries.
你们都知道我来这里的目的。所以我就闲话少说了。
...the opportunity to concentrate more time and energy on America's domestic agenda.
集中更多的时间和精力处理美国国内事务的机会
无法接受的；行不通的 If you say that something is not on or is just not on, you mean that it is unacceptable or impossible.&
【搭配模式】：v-link PHR
【语域标签】：mainly BRIT 主英
【STYLE标签】：INFORMAL 非正式
I'm not having children who don't like cheese. It's not on...
我可不要不爱吃奶酪的孩子，那可不行。
We shouldn't use the police in that way. It's just not on.
我们不该那样动用警力，那根本不可接受。
不停地；继续不断地 If you say that something happens on and on, you mean that it continues to happen for a very long time.&
【搭配模式】：usu PHR after v
...designers, builders, fitters — the list goes on and on...
设计师、建筑工人、装配工——这个单子可以没完没了
Lobell drove on and on through the dense and blowing snow.
洛贝尔冒着纷飞的大雪不停地往前开。
...a desert of ice stretching on and on.
无限延伸的冰原
（表示困惑）在谈论什么 If you ask someone what they are on about or what they are going on about, you are puzzled because you cannot understand what they are talking about.&
【搭配模式】：V inflects
【语域标签】：BRIT 英
【STYLE标签】：INFORMAL 非正式
What on earth are you going on about?...
你到底在说些什么呀？
Honest, Kate, I don't know what you're on about.
说真的，凯特，我不知道你在说些什么。
（表示有信心）知道自己在说些什么，了解情况 If you say that someone knows what they are on about, you are confident that what they are saying is true or makes sense, for example because they are an expert.&
【搭配模式】：Vs inflect
【语域标签】：BRIT 英
【STYLE标签】：INFORMAL 非正式
It looks like he knows what he's on about.
他看起来很在行。
掌握不利于（某人）的证据；抓住（某人）的把柄 If someone has something on you, they have evidence that you have done something wrong or bad. If they have nothing on you, they cannot prove that you have done anything wrong or bad.&
【搭配模式】：V inflects
【STYLE标签】：INFORMAL 非正式
He may have something on her. He may have supplied her with drugs, and then threatened to tell if she didn't do this...
他或许抓住了她的什么把柄。可能是给她提供了毒品，然后威胁她如果不这样做的话就告发她。
You've got nothing on me and you know it. Your theory would never stand up in a court of law.
你手里没有对我不利的证据，这一点你很清楚。你的揣测在法庭上是绝对站不住脚的。
on behalf of→see:
on and off→see:
and so on→see:
on top of→see:
1. (表示位置)在…上, 在…旁, 在…身边
That book on the desk is an atlas.
桌上的那本书是地图册。
2. (表示时间)在…之时
It occurred on the morning of the fifteenth.
事情发生在15号的上午。
On arriving home, I was met by my daughter.
到家时我的女儿出来迎接我。
3. (表示方向)向, 往, 朝; 沿着, 顺着
They marched on the enemy's fortress.
他们向敌人的要塞进军。
We were driving on a California freeway.
我们正沿着加利福尼亚的一条快车道驾车行驶。
4. (表示状态)系于, 悬于; 附于
A picture hangs on the wall.
墙上挂着一幅画。
He carried a coat on his arm.
他手臂上搭着一件外衣。
5. (表示方式)乘, 坐, 骑
She will leave on an early train.
她将乘早班火车离开。
We went to the factory on foot.
我们步行到工厂去。
6. (表示对象)对, 对于, 碰在, 对…造成困难
There is much to be said on both sides.
公说公有理, 婆说婆有理。
The car broke down on us.
汽车抛锚给我们造成了麻烦。
7. (表示原因)由于, 因为
The old worker retired on account of age.
老工人因年老而退休。
8. (表示比较)与…相比
Today's weather is an improvement on yesterday's.
今天的天气比昨天的好。
9. (表示方位)在…方位
The town stands on the left bank of the river.
该镇坐落在河的左岸。
The post office is on the right.
邮局在右边。
1. (放, 穿, 连接)上
He has new shoes on.
他穿上新鞋。
She put the tablecloth on.
她铺上了台布。
2. 向前, (继续)下去
She worked on quietly all night.
她整个晚上默默地继续工作。
They walked on a little way without speaking.
他们默默无语地向前走了一段路。
1. (发生、活动等的)情况，状态
2. 【板球】1). 左击球手右后方场地 2). 右击球手左后方场地 3). 侧击
1. 活动着的，使用着的，起着作用的，开着的，接通的
2. 发生着的，正发生的
3. 计划中的
1. in oper
"left the oven on"
"the switch is in the on position"
2. (of events)
"the picnic is on, rain or shine"
"we have nothing on for Friday night"
3. performing or
"I'm on from five to midnight"
"Naval personnel on duty in Alaska"
"her on-duty hours were 11p.m. to 7 a.m."
"we drove along admiring the view"
"the horse trotted along at a steady pace"
"the circus traveled on to the next city"
"move along"
"march on"
2. indicates continuity or persiste
"his spirit lives on"
"shall I read on?"
3. in a state required for something to func
"turn the lights on"
"get a load on"
1.竞技状态良好
4.把球击上草上
1.向岸风: on-shore wind 沿岸地区, 由水域吹向陆地的风。
1.在线测量频谱分析: on-line measurement and frequency spectrum method 利用从安装在生产过程现场的传感器取得的信号频谱进行的实时分析。
2.通断控制器: on-off controller 两个离散值中一个为0一个为1的两位控制器。
3.在线实时系统: on-line real-time system 利用通信线路把数据源和中央计算机连接起来，在数据产生的同时直接把数据传送给中央计算机进行处理并作出快速响应的系统。
4.在线处理: on-line processin
1.岩礁养殖: bottom culture, rock-base culture 利用浅海岩礁作为海藻附着基进行繁殖生长的海藻养殖方式。
1.在线分析: on-line analysis
1.协联工况: on-cam operating condition
2.带负荷试验: on-load test
3.有载调压变压器: on-load voltage-regulating transformer
4.协联装置: on-cam device
5.on-load voltage regulation
6.有载分接开关: on-load tap-changer
7.不停堆换料: on-line refuelling
on的全称：
未分类的(3)
cons on consignment
寄售，托销，以寄售方式
omni nocte (Latin=every night)
(拉丁语)每个夜晚
onomastikon (Greek=lexicon)
(希腊语)词典
1. 开(open)
开关处于开(ON)位置时，顶灯将一直点亮。
- 基于14361个网页
on the law of war and peace ., 论战争与和平.
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3. 在……上
人教版七年级上册英语单词表 ... they pron. 他们 on prep. 在……上 know v. 知道；了解.
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在地面时置于接通（ON）位，可保证在地面维护工作中与各维修点间的联络。 三、服务内话系统的工作原理服务内话系统采用直 …
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the method efficiency is verified only on one frequency , the efficiency in band will be verified in the future .本文提出的这一精度改进方法仅对点频条件下的系统精度进行了验证，宽频条件下的精度修正效果还有待验证。
- 基于1个网页
1. 代理某人
沪江博客 - 王小东... ... 以计帐方式付款 to pay on account 代理某人||为某人 on one's 为自己计算||独立帐目 on one's own.
- 基于1个网页
us , north korean envoy hold one - on - one talks in beijing ., 美国特使在北京举行一对一会谈.
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1. 一杆上果岭
one off three 3穴让1穴one on 一杆上果岭one piece swing 圆滑的挥杆动作
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基本信息 on 英文单词 安森美半导体(ON Semiconductor，美国纳斯达克上市代号：ONNN)是应用于高能效电子产品的首要高性能硅方案供应商。公司的产品系列包括电源和信号管理、逻辑、分立及定制器件，帮助客户解决他们在汽车、通信、计算机、消费电子、工业、LED照明、医疗、军事/航空及电源应用的独特设计挑战，既快速又符合高性价比。公司在北美、欧洲和亚太地区之关键市场运营包括制造厂、销售办事处及设计中心在内的世界一流、增
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