A.1:2000~1:20000 B.1:500~1:2000 C.1:1000~1:5000 D.1:2000~1:50000
A.海水水深 B.當(dāng)?shù)氐孛娓叱?br /> C.全國(guó)地面高程 D.當(dāng)?shù)爻毕某备?/p>
A.長(zhǎng)度 B.水平投影長(zhǎng)度 C.斜向長(zhǎng)度 D.側(cè)向投影長(zhǎng)度