勘探测量 meaning in Chinese

exploration survey

A study on surveying method in seismic prospecting in loess tableland
黄土塬区地震勘探测量方法研究
Probe into surveying technical method in coalfield 3d seismic prospecting
煤田三维地震勘探测量的技术方法探讨
Petroleum exploration survey
石油勘探测量
Discuss of technical methods of three - dimensional seismic prospecting in the coal field
煤田三维地震勘探测量的技术方法探讨