field current的用法和樣例：
例句
- The influence of circular trim coil current variation on vertical beam behaviour is also determined experimentally.
同時也測量了束流引出區環形補償線圈中的勵磁電流變化對引出束流性能的影響。 - The development of brushless exciting is restricted by the difficulty of exciting current measurement and rotating rectifier faults monitoring.
無刷勵磁系統中對勵磁電流測量以及對旋轉整流器故障監測困難是制約該勵磁方式發展的一大障礙。
