原创：对我国体育优势问题研究现状的研究 - 医学论文发表 - 中国论文网 关键词：体育；优势问题；研究现状；探讨 [gap=922]Key words: sports; advantage; present situation of research; discussion
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The present situation of research on chemical and biological synthesis of squalene was reviewed in detail.
对角鲨烯的化学合成及生物学合成方法研究现状进行了较全面的总结和评述。
The present situation of research on selective synthesis of xylanases for pulp biobleaching was reviewed in detail.
对纸浆漂白用木聚糖酶选择性合成的研究现状进行了较全面的总结和评述。
Features, principles, substance and present situation of research and application of semi-solid forming of EMS have been summarized.
文章综述了电磁搅拌技术的特点、原理和实质，以及当前电磁搅拌技术的研究及应用现状。
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