Theoretical and application study on unclassified tailing filling have been systematically carried out in U. S. , South Africa, Canada, Germany and China.
因此，美国、南非、加拿大、德国和中国等对全尾砂充填技术进行了较系统的理论和应用研究。
Compounding the problem of surging application Numbers is the fact that many U. S. universities lack the resources or expertise to verify the details of applicants from China.
除了申请人数激增以外，很多美国大学缺乏鉴别中国申请人资质的资源或专业能力，这一点也让情况雪上加霜。
The prospect of the production and industrial application of China 's garnet is a...
对我国石榴石的生产与应用前景进行了讨论。
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