This dissertation conducted an in-depth study on the selection of transportation modes based on capacity constraints.
对此,本文基于能力约束对运输模式选择决策展开了深入研究。
There is little study on the selection of liquid of pre - filming after the acid wash by hydroxy ethidine phosphonic acid (HEDP).
羟基乙叉二膦酸酸洗后预膜液的选择较少有人研究,而适当的预膜钝化是防止酸洗后金属表面返锈的必要措施。
The first part was prolegomenon, mainly on the selection of subjects, the purpose of research and the study of sports events tourism in domestic and overseas.
第一部分为绪论,主要讲述选题思路及研究目的,国内外在体育赛事旅游方面的研究。
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