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.

辞典例句

This null - balance system is usually more accurate than the direct - readout bridge.

这种调零系统通常比直读电桥更精确.

辞典例句

A null - balance system is provided by balancing the magnetic forces by electrostatic forces.

零位平衡系统是靠静电力来平衡磁力而造成的.

辞典例句