A.絕對(duì)誤差、相對(duì)誤差、引用誤差 B.絕對(duì)誤差、相對(duì)誤差 C.基本誤差、附加誤差 D.絕對(duì)誤差、相對(duì)誤差、基本誤差
A.1 B.2 C.3 D.4
A.星形連接 B.三角形連接 C.直線連接 D.星形連接、中性點(diǎn)接地