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1【单选】一导线，fx =+021m ，边长分别分267786 276089 345267 327546，计算每段纵坐标增量的改正数，保留2位小数：1216688

A、0.04 0 05 0.060 0.06

B、-0.04 -0 05 -0.06 -0.06

C、0.05 0. 05 0.06 0.06

D、-0.05 - 0.05 -0.06 -0.05

时间：2021-09-08 14:15 关键词：漯河职业技术学院建筑工程系工程测量

答案解析

B

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一导线，fx =+021m ，边长分别分267786 276089 345267 327546，计算每段纵坐标增量的改正数，保留2位小数：1216688