常見例句雙語例句Through electrostatics and examples of low-frequency alternating current and direct-current circuit, the problem of zero potential point is queried and clarified.通過靜電學(xué)、低頻交流、直流等電路實例，質(zhì)疑了電勢零點問題，竝對此進行了澄清。A constant current is applied to the center electrode and an auxiliary current of the same polarity that is automatically adjusted to maintain zero potential is applied to the guard electrodes.測井時，主電極通以恒定的電流，屏蔽電極通以極性相同的輔助電流，自動調(diào)節(jié)屏蔽電極上的電流，使得兩個屏蔽電極上保持相同的電位。www.infopetro.com.cn 返回 zero current potential