underground survey

Collectively-owned mining enterprises must survey and draw maps showing the correlation between surface and underground workings.

　　集体矿山企业必须测绘井上、井下工程对照图.

Discussion on Underground Pipeline Survey Technological Specification in Qiqihar

浅谈齐齐哈尔市地下管线探测技术规定

The Practical Construction Survey Methods of Connection Survey for Underground Engineering Measurement

地下工程测量中联系测量的实用施测方法

As one of the highest resolution and most efficiency underground survey equipments, GPR ( Ground Penetrating Radar) is getting widely used in many areas, such as city utilities, transport, geology, archeology and national defense.

探地雷达作为目前分辨率、效率最高的地下目标探测设备之一在城建、交通、地质、考古、国防等部门得到越来越广泛的应用。

Survey and Measurement on Indoor Environment of Underground Tunnels in Xi'an

西安市地下人行通道热湿环境测试调查

Expounds the methods that establishes computational table of wirework of theodolite in underground by using EXCEL spreadsheet and the results of usage of underground survey in the coal mine, there is certain certain value of popularization.

阐述了利用EXCEL电子表格创建井下经纬仪导线计算表的方法及在矿山井下测量中的使用效果，有一定的推广价值。