This paper put forward a new method to carry out dynamic appraisal of the extent of resources utilization in each stage of gold mine production by using differential grade index.
文中提出了应用级差品位指标动态评价岩金矿山生产各阶段资源利用程度的新方法。
Combined utilization of plain X-ray, CT, and MRI is helpful for the diagnosis and differential diagnosis of MFH.
结论MFH影像学表现具有一定特征性，X线平片、CT和MRI结合有助于本病的诊断和鉴别诊断。
Combined utilization of plain X-ray, CT, and MRI is helpful for the diagnosis and differential diagnosis of MFH.
结论MFH影像学表现具有一定特征性，X线平片、CT和MRI结合有助于本病的诊断和鉴别诊断。
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