Face to the mixture situation of people and god, the first task of Sima Qian's book historical Records is to identify opponents of materials, from mining historical data, looking for historical clues.

面对人神杂糅的情况，司马迁著作《史记》首要的任务就是要对手中的材料进行鉴别，从中挖掘史料，寻找历史线索。

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The flow of materials in the nuclear fuel cycle, from uranium mining through fuel reprocessing and waste disposal, is shown on the following Page.

核燃料循环流程图，从开铀矿到燃料加工到废品处理，都显示在下图。

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Companies based on oil and gas exploitation, mining and agribusiness take basic materials from the African continent and distribute them to international markets.

FORBES: Microsoft's 4Afrika Initiative is Good Business

Open-air mining operations in France are also using drones to determine how much materials have been removed from mines.

FORBES: Drone Startup Airware Lands $10.7 Million Series A Led By Andreessen Horowitz