Uncertainty of Wheatstone bridge-arm and uncertainty of electric bridge 's sensitivity are analyzed in detail accordingly combined uncertainty of Wheatstone bridge and examples for these are given .

本文分析了 惠斯通 电桥 桥臂引入 的不确定度和 电桥灵敏度引入的不确定度，从而给出惠斯通 电桥的合成不确定度，并举例说明。