In practice there are three methods of accomplishing this phase difference. 在實踐中有三種方法來獲得相位差。
Half-wave voltage is an important physical quantity which is the token of the influences of voltage up on the phasic difference. 摘要半波電壓是表徵電光調製時電壓對相位差影響大小的一個非常重要的物理量。
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