A.對(duì)監(jiān)測(cè)數(shù)據(jù)進(jìn)行檢查和檢驗(yàn) B.對(duì)變形影響因素進(jìn)行分析 C.對(duì)變形趨勢(shì)進(jìn)行預(yù)報(bào) D.對(duì)監(jiān)測(cè)對(duì)象的穩(wěn)定性進(jìn)行分析
A.1/1200 B.1/3000 C.1/6000 D.1/8400
A.基準(zhǔn)設(shè)計(jì) B.圖形設(shè)計(jì) C.觀測(cè)精度設(shè)計(jì) D.已有網(wǎng)的改進(jìn)