The principle of microbial removal of organic and inorganic sulfur from coal and the present research status at home and abroad are introduced.
介绍了微生物脱除煤中有机硫和无机硫的原理以及国内外研究现状。
Firstly, the present research status of virtual enterprises at home or abroad and basic situations of mould enterprises in our country was analyzed.
论文首先分析了国内外虚拟企业的研究现状，以及国内模具企业的基本现状。
Chapter Three combs the present research status of group work in college English classroom at home and abroad.
第三章梳理了国内外小组活动的研究现状和我国大学阶段英语课堂小组活动的研究现状。
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