他们学习如何寻找矿物；如何设计和开发矿井和精炼矿石系统。
They learn how to locate minerals and how to design and develop mines and systems for refining ore.
月球矿物制图仪(M3)，即成像光谱仪，其设计目的是通过探测月球表面及表层以下各种矿物质释放出的电磁辐射寻找水源。
The M3, an imaging spectrometer, was designed to search for water by detecting the electromagnetic radiation given off by different minerals on and just below the surface of the Moon.
测线间距，一般地说在寻找石油时要比矿物勘探中大。
The line spacing will generally be greater in searching for oil than in mining exploration.
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