geochemical survey

基本解释

The potential of such a primary geochemical survey is demonstrated.
这类区域性的地球化学测量显示出它的有效性。
This paper outlines significance and idea for urban dust geochemical survey in terms of environmental ecology and geochemistry.
本文从环境生态学及地球化学的角度，简述了城市尘土地球化学调查的意义及构想。
According to existing literatures, the model of the formation of gas hydrate in movable zone of plateau permafrost and geochemical survey is primarily established.
并结合前人文献初步建立了多年冻土区活动带天然气水合物的形成和地球化学勘查模式。