The Project manager can use the Envelope method to maintain the relationship between the agile working team, the non-agile elements of the project and the rest of the enterprise.

项目经理可以使用信封方法来维持三者之间的关系：敏捷团队、项目中的非敏捷元素、企业中其它因素。

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And on many occasions, it was on the back of an envelope or on a napkin that she doodled sketches of the chemical bonds to better show her parents what she was working on in the lab.

以前的很多时候，她就是通过在信封或者餐巾纸的背面画化学键的草图，向父母解释她在实验室里的工作。

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Experiments on the bearing of gas porous concrete masonry envelope were accomplihed. Acording to the results, its working mechanism is studied and a formula for bearing capacities is suggested.

根据加气混凝土砌体局部承压的试验研究，探讨了砌体局压的工作机理，并提出了计算公式。

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"We must also recognize that we're working at the edge of the operational envelope, " Wall said.

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"The point that's coming across from some parts of local government is that any proposals coming forward are properly costed so that we know the cost envelope that we are all working in, " he said.

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