A.GPS靜態(tài)定位B.導(dǎo)線測(cè)量C.建筑基線D.建筑方格網(wǎng)
A.后視讀數(shù) B.前視讀數(shù) C.后視讀數(shù)—前視讀數(shù) D.前視讀數(shù)—后視讀數(shù)
A.+1.563m B.±0.000m C.-1.563m D.缺少條件,無(wú)法計(jì)算