A.50mmB.30mmC.20mmD.10mm
水準(zhǔn)測(cè)量手簿記錄時(shí),每一測(cè)站應(yīng)當(dāng)記錄的項(xiàng)有()①儀器高②上絲讀數(shù)③中絲讀數(shù)④下絲讀數(shù)⑤天氣
A.①②③B.②③④C.③④⑤D.①④⑤
A.三個(gè)平移參數(shù),一個(gè)旋轉(zhuǎn)參數(shù)B.三個(gè)旋轉(zhuǎn)參數(shù),一個(gè)平移參數(shù)C.兩個(gè)平移參數(shù),一個(gè)旋轉(zhuǎn)參數(shù)D.兩個(gè)平移參數(shù),兩個(gè)旋轉(zhuǎn)參數(shù)