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。
2
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。
3
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.