交流电桥的电路结构中，由电阻、电抗元件或

它们的组合构成四臂，并用检流计、耳机或其它仪器作为检验电桥是否平衡的“示零器”．利用交流电桥的平衡条件进行测量，这就是它的基本原理．-AC bridge circuit structure, resistance, reactance components or combinations of them pose four arm and used galvanometers. headphones or other equipment -- as a test of whether the bridge "device is said." AC bridge using the equilibrium condition measurement, which is its basic tenets.