A.長(zhǎng)對(duì)正、寬平齊、高相等 B.長(zhǎng)相等、寬平齊、高對(duì)正 C.長(zhǎng)相等、寬對(duì)正、高平齊 D.長(zhǎng)對(duì)正、高平齊、寬相等
A.±60′ B.±60″ C.±30′ D.±30″
A.146º18′20″ B.146°18′36″ C.146°18′24″ D.146°18′30″