underground survey 坑内测量 ; 矿井测量
underground pipeline survey [建] 地下管线测量
underground railway survey [铁路] 地下铁道测量
underground oil depot survey [油气] 地下油库测量
underground prospecting survey [矿业] 井下勘探测量
underground horizontal control survey [矿业] 井下水平控制测量
underground pipe-driving survey [建] 顶管测量
underground topographic survey 水下地形测量
According to one survey, nearly two-thirds of young women say they have been touched inappropriately in train or underground carriages.
根据一项研究调查，大约三分之二的年轻女子称她们曾在火车或者地铁车厢里被人摸过。
Study proves that use of gyroscopic theodolite can decrease the error propagation in the underground traverses survey.
研究说明陀螺经纬仪的使用，可以减少地下导线测量的误差传播。
The city subway construction being taken as the object, the high accuracy direction survey technology at the various stages of the modern city underground project was studied in the paper.
本文以城市地铁建设为对象，对现代城市地下工程各阶段的高精度测量技术进行了研究。
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