最后，初步确立了表征碳化硅单晶抛光片质量的测试方法。
Finally, this paper primarily establishes a testing method of characterization silicon carbide wafer quality.
对海南木棉的分布特点进行了调查和分析，并初步确立了分类标准。
The investigation and analysis were carded out on the distribution and characters of Bombax ceiba in Hainan Province, and a preliminary classification standard was formed.
初步确立了空气钻井钻柱冲蚀磨损机理，提出钻屑冲蚀是促使钻具失效的一项重要原因。
Establish the erosive wear mechanism of drilling string in air drilling and put forward that erosion wear is a substantial cause to promote drill string failure.
在成功举办了1999年世界园艺博览会后，昆明已经初步确立了在国内会展旅游上的地位。
After 1999 Kunming International Horticultural Exposition which has proved to be a great success, Kunming has affirmed its position in the conferences and exhibitions travel market.
在成功举办了1999年世界园艺博览会后，昆明已经初步确立了在国内会展旅游上的地位。
After 1999 Kunming International Horticultural Exposition which has proved to be a great success, Kunming has affirmed its position in the conferences and exhibitions travel market.
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