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polarity是什么意思

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polarity 是什么意思

音标:[ pəu'læriti ]  
名词复数:polarities   

中文翻译与英英解释

n.
1.【物理学】(分)极性,磁性引力;(光的)偏极;极体;【数学】配极(变换);【生物学】(茎与根的)反向性,极性。
2.(性格的)正反对。
3.(思想、感情等的)归向,倾向。
短语和例子
a polarity inverting amplifier 倒像放大器。
a relation between two opposite attributes or tendencies; "he viewed it as a balanced polarity between good and evil"
同义词:mutual opposition,

having an indicated pole (as the distinction between positive and negative electric charges); "he got the polarity of the battery reversed"; "charges of opposite sign"
同义词:sign,

例句与用法

1.The polarity of the ends of the open-circuit conductor may then be deduced .
这样就可以断定开路导体两端的极性。

2.It is not possible to try to salvage or change the polarity correctly by charging .
试图补救或通过充电的方法把极性改过来是不可能的。

3.There are miscellaneous tools, pliers, putty knife, polarity stamps, battery stamping or coding equipment, lead cutters .
有各种工具、手钳、油灰刀,极性印戮、电他标记打印或编号机、铅切刀。

4.Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component .
乙醚、乙二肟、二乙二肟、硝基甲烷或类似的适当的极性溶剂,可用作溶剂。

5.Ether, glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component .
乙醚、乙二肟、二乙二肟,硝基甲烷或类似的适当的极性溶剂,可用作溶剂。

6.When the sun's rotation sweeps this warped surface across the earth, we detect sudden changes in the polarity of the magnetic field .
当太阳的自转使这个波浪形间隔面扫过地球时,我们就会探测到磁场极性的突然反转。

7.Wiring at switch connected up with incorrect polarity
开关掣的极性接驳错误。

8.Wiring at socket outlet connected up with incorrect polarity
插座的极性接驳错误。

9.The polarity disappeared at 950 c for 2h
研究发现电极性消失的温度为950 。

10.Each repeated measurement with opposite polarity
以相反电极重复每项测量。

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