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.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.Th...
Unless these questions are solved, the region will remain a powder keg.除非这些问题得到解决，否则该地区会一直是个火药桶。The bar tender tapped a new keg of beer.酒吧招待开了一桶新啤酒.A keg bobbed up astern.一只小圆桶突然在船尾出现....