A.3 B.4 C.5 D.6
A.30 B.40 C.55 D.60
A.應(yīng)進(jìn)行WGS84坐標(biāo)系至CGCS2000坐標(biāo)系的三參轉(zhuǎn)換 B.應(yīng)進(jìn)行WGS84坐標(biāo)系至CGCS2000坐標(biāo)系的七參轉(zhuǎn)換 C.先進(jìn)行七參轉(zhuǎn)換,再進(jìn)行三參轉(zhuǎn)換 D.不需在兩坐標(biāo)系間進(jìn)行轉(zhuǎn)換