The corona voice strengths and levels of radio interference produced by positive polarity wire have little changes, and those produced by negative polarity wire increase with temperature.
正极性导线电晕声音和无线电干扰变化都不大;负极性导线电晕声音和无线电干扰都增大。
We have spoken at length about negative and positive polarity as service to self and service to others.
我们已详细地谈论关于负面和正面极化,如同服务自我和服务他人。
The unipolar transistor has a negative polarity or a positive polarity in accordance with the first terminal or the second terminal electrically connected to the unipolar transistor.
单极晶体管根据第一端子或者第二端子电连接于单极晶体管而具有负极性或者正极性。
A positive polarity dc voltage is applied to the electrodes.