片语

turn off polarity reversal断开极性翻转

reversed polarity反极性

polarity-reversal horizon极性倒转面

current-polarity-reversal switch电流极性换向开关

Againest polarity reversal极性接反保护

polarity reversal test极性反転试験

solar polarity reversal太阳极性倒逆

polarity inversion极性变换；极性倒转；极性反转

magnetic polarity reversal磁极反转

polarity reversal line极性变换线

geomagnetic polarity reversal地磁极性倒转

英汉例句

• uses the simplex winding polarity reversal method to realize the speed transformation.

  采用单绕组变极方法实现速度变换。

• a polarity reversal causes the dream to shift from one extreme to its opposite in all expressions and in the dream at large.

  极性逆转，造成梦想在所有表达及梦想中从一个极端翻转到其对立面。

• the magnetic polarity reversal polarity reversal record is often illustrated by means of a column with black and white intervals depicting the two polarity.

  地磁板性反转纪录通常用代表两种极性的黑白间隔所组成的极性柱来表示。

• theory, observation and application of the geomagnetic polarity reversal and secular variation, magnetostratigraphy;

  地磁场倒转和长期变的理论、观测和应用以及磁性地层学；

• the magnetic polarity reversal record is often illustrated by means of a column with black and white intervals depicting the two polarity.

  地磁极性反转记录通常用代表两种极性的黑白间隔所组成的极性柱来表示。

• elongating the time of polarity reversal can reduce the field strength under polarity reversal.

  延长极性反转时间可降低极性反转时的场强。

• however, in coaxial oil-paper combination insulation when the thickness of insulation exceeds a certain value the field strength within the pressboard under polarity reversal will increase instead.

  但在同轴油纸复合绝缘中，当绝缘厚度超过一定值后，纸中极性反转场强反而增加。