Solvent replacement experiment provided direct evidence that there was water-rich adsorption layer and the reaction took place in the layer.
首先用溶剂置换实验验证了纳米反应器的存在且是反应和粒子生长的场所；
On the domain layer, though, you often need more than just attributes, and Code Contracts are an ideal replacement.
域层，不过，您经常需要不仅仅是属性，和代码合同是理想的替代品。
The single-side adhesive felt can be replaced periodically; and during replacement, take off the worn felt and then adhere a new layer of felt.
所述的 单面带胶毛毡可定期更换，更换时将磨损的毛毡揭下来，重新粘附一层即可。
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