Mineral resources exploration projects always have many option characters.

矿产资源勘探开发项目具有很多期权特征。

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Mineral resources exploration projects are characteristic of long periods, large investments and risk.

矿产资源勘探开发项目具有很多期权特征。

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There were 38 items of the mineral resources exploration results and 38 items of fund introduced exploration projects on display.

展销会提交大会展销的矿产资源勘查成果38项，引资勘查项目38项。

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