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。

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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。

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And the study on the selection the selection of the materials for stitch CAM system was carried out and the way to make the domestic stitch CAM system is discussed.

同时又对该机三角系统的材料进行了研究，提出了自制三角系统的看法。

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The staff plan also made clear that the study was to focus not just on the selection method of the at-large board seats but also on whether such members were needed at all.

CNN: Group overseeing Internet changes sets its election rules