Classified by economic characteristics, commercial mineral prospecting was a kind of geological work and production and operation activities.

商业性矿产勘查是一种按照经济属性划分的地质工作，是企业的生产经营活动。

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From economic point of view, judging whether a social activity has industrial characteristics depends on whether it has production process and its products possess commercial characteristics.

从经济学的角度来看，判断一项社会活动是否具有产业性，主要看它是否属于生产过程、其产品是否具有商品特征。

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If test wells prove safe and economic, commercial methane production could begin as early as 2016.

CNN: Japan warms to 'fire ice' potential