The microstructure of a multiphase material was optimized, and property of auxetic performance was obtained, helping to prove the validity of this method.

以一种多相材料结构为例进行了细观结构的优化，并获得了具有负泊松比的特性，从而验证了所提出方法的合理性。

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The problems of phase identifying for powder diffraction of multiphase material have been discussed, and the software XRDS for phase identifying have been introduced.

讨论了多相物质粉末衍射的物相检索问题，介绍了XRDS的物相检索软件。

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