For coating a waterproof layer on the CR surface, comparison and selection have been made among several biocompatible materials.

采用壳聚糖棒材外表面涂覆物理防水层的思路，对各种生物相容的疏水材料进行了选择和比较。

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Conclusion: the forecasting system of limit test is quick and simple to handle, and favours the methods comparison and selection.

结论：检测限预测系统操作快速、简便，有利于方法的比较与选择。

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A good quotation is useful for comparison and selection to the experts, but also conducive to the service providers to negotiate prices.

一个好的报价单有助于专家进行对比和筛选，也有利于服务商进行价格谈判。

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"The benchmark for a lot of the squad was the Six Nations and then looking at some club form and assessing whether there was the same physical intensity to draw comparison and then finally make the selection of those players, " Gatland told reporters after the announcement Tuesday.

WSJ: Lions Reflect Welsh Success