explorational geophysics 勘查地球物理
Explorational Geochemistry 地球化学找矿法
chemical explorational samples 化探样品
explorational experiment teaching 探究式实验教学
productional and explorational engineering 生探工程
·2,447,543篇论文数据，部分数据来源于NoteExpress
The key indicators for evaluating the benefit of explorational activity should include 2-D seismic cost per kilometer, 3-D seismic cost per square kilometer, and drilling cost per meter in depth.
每公里二维地震成本、每平方公里三维地震成本和每米进尺钻井成本是评价勘探作业效率的关键指标。
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