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magnetic polarity是什么意思？

magnetic polarity

磁极性

相关词汇
magnetic polarity

magnetic

adj. 有磁性的，有吸引力的，磁性的，有吸引力的，有魅力的；
例句
...protons and electrons trapped by magnetic forces in the Van Allen belts.
范艾伦辐射带的磁力俘获的质子和电子

polarity

n. [物]极性，[生]反向性，对立，[数]配极；
例句
...the ideological polarity between nations.
国家间意识形态的截然对立
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
a subdued mood
抑郁的心情
an astonishingly placatory speech.
令人奇怪的和解讲话
The company was in deep financial difficulties.
该公司陷入了严重的财务困难。
When volunteers were asked for, no one hung back.
当征求志愿者时, 没有一个人退缩。
Look in the cupboard and see if we have any more coffee.
看看碗橱里面是否还有咖啡。
assail a task
着手完成任务
I can throw the ball farther than you can.
这个球我能比你扔得远。
Please accent the first syllable.
请重读第一个音节。
Come back to my pad.
回到我的住处。
Keep it in mind.Please don't forget.
记住, 别忘了。