At present, most of Ta-Nb ores are processed by use of gravity concentration, with which the recovery of fine-grained Ta-Nb mineral is very low.
目前钽铌矿的选矿多以重选为主，但重选法选别细粒钽铌矿的回收率非常低。
At present several formulae for calculating oxygen fugacities on the basis of fluid inclusion da-ta and corresponding diagrams and tables have been proposed by some researchers.
目前，某些研究者推出几种流体包裹体的氧逸度计算公式和相应的图表。
The present thesis is an attempt to explore the correlation between TA and IVA.
因此，本文试图探讨阅读中的模糊容忍度与词汇附带习得效果的关系。
The tax policy, the important part of state financial policy, is an important measure for state economic macro control. Under the present economic situation, we may consider to adjust ta…
作为国家财政政策重要组成部分的税收政策，是国家调控宏观经济的重要杠杆。
The tax policy, the important part of state financial policy, is an important measure for state economic macro control. Under the present economic situation, we may consider to adjust ta…
作为国家财政政策重要组成部分的税收政策，是国家调控宏观经济的重要杠杆。
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