polarity中文什么意思

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。
+更多解释...短语和例子
a polarity inverting amplifier 倒像放大器。

• absolute polarity:    绝对极性
• additive polarity:    加极性
• alter polarity:    变更极性; 交替极性

例句与用法

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1. 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。
2. Wiring at switch connected up with incorrect polarity
   开关掣的极性接驳错误。
3. Wiring at socket outlet connected up with incorrect polarity
   插座的极性接驳错误。
4. The polarity disappeared at 950 c for 2h
   研究发现电极性消失的温度为950 。
5. Each repeated measurement with opposite polarity
   以相反电极重复每项测量。

英文释义

名词

1. a relation between two opposite attributes or tendencies; "he viewed it as a balanced polarity between good and evil"
   同义词：mutual opposition
2. 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