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

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。

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