A.1020.0 B.1021.0 C.1022.0 D.1023.0
A.±0.72√n B.±0.98√n C.±I.4V√n D.±1.6√n
A.中心點(diǎn) B.輪廓點(diǎn) C.軸線點(diǎn) D.細(xì)部點(diǎn)