Based on dust analysis of preparation plant, many kinds of dust prevention measures are pointed out in order to further control the harm caused by dust.

在对选煤厂粉尘分析的基础上，提出了多种防尘对策，以进一步控制粉尘对人身造成的危害。

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Stardust was commanded to take more than 70 high-resolution pictures, and the dust analysis instruments investigated the environment around the comet.

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Analysis of the dust material over the weekend indicated that it does not contain material that is seriously harmful to health.

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