A.儀器誤差 B.使用誤差 C.人身誤差 D.方法誤差
A.10% B.2.5% C.2% D.10.4%
A.V=0.707Vm=1.11Vave B.V=0.5Vm=1.57Vave C.V=0.575Vm=1.15Vave D.V=0.57Vm=1.1Vave