polarity

听听怎么读

英 [pəˈlærəti]

美 [poˈlærɪti,pə-]

是什么意思

[物]极性；[生]反向性；对立；[数]配极

变形

复数：polarities

英英释义

polarity[ pəu'lærəti ]

n.
- 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"
  
  同义词：sign

学习怎么用

词组短语

reverse polarity[电子]反极性；逆偏振

opposite polarity相反极性

polarity reversal反极性；极性变换；极性倒转

negative polarity负极性

polarity effect极性效应；极化效应

reversed polarity反极性

更多收起词组短语

双语例句

用作名词(n.)

Polarity is inherent in a magnet.
极性是磁铁的固有性质。
Note the polarity of the voltage drop across R.
注意R上电压降的极性。
The hydrophobicity is related to molecular volume and polarity.
分子的疏水性跟分子的体积和极性有关。
The field is strongest at the poles, diminishes at the equator, and differs in polarity from the Northern to the Southern Hemisphere.
南北两极的磁场最强，赤道上磁场较为微弱，而各地的磁性也会因纬度而改变。
He got the polarity of the battery reversed.
他把电池两极弄反了。
Yet, in order to get there, you must go through the polarity.
然而，为了要达到那里，你一定要经历两极。

权威例句

On enantiomorph-polarity estimationOn enantiomorph-polarity estimation On enantiomorph-polarity estimation. Acta Cryst A39:876-881Solvatochromic Dyes as Solvent Polarity IndicatorsRecognizing contextual polarity in phrase-level sentiment analysisMutations affecting segment number and polarity in DrosophilaChemInform Abstract: Solvatochromic Dyes as Solvent Polarity IndicatorsRevised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoicpar-1, a gene required for establishing polarity in C. elegans embryos, encodes a putative Ser/Thr kinase that is asymmetrically dis...Armadillo coactivates transcription driven by the product of the Drosophila segment polarity gene dTCF.