galvanometer的例句（galvanometer在句子中的用法）

• The requirement on scanning galvanometer is given during the practical using. 提出了实际使用时对扫描振镜的要求.
• If a sinusoidal current is sent through a movingcoil galvanometer, the meter reads zero. 如果将一正弦电流通入动圈式电流计, 那么这电流计的读数为零.
• When the galvanometer reads zero the circuit is in the null - balance position. 当检流计的读数为零时,电路处于零平衡位置.