research progress and development trend 研究进展及发展趋势
The current progress and development trend in the study of safety theory of field flow in goaf are analyzed.
分析了当前采空区场流安全理论研究的最新进展和发展趋势。
Research progress and development trend of iron oxide pigments produced by different industrial wastes and by-products are briefly introduced.
简述了以不同工业废副原料制备铁系颜料的研究进展及发展趋势。
The progress made in torque measurement is reviewed in this article, and several typical measurement techniques have been analysed and summarized. Also, the development trend is put forward.
本文回顾了扭矩测试的研究进展，对几种典型的测试方法进行了分析和总结，并分析了扭矩测试方法今后的发展趋势。
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