There is no doubt that other countries use comparative-effectiveness research as the basis for rationing.

毫无疑问，其他国家只是在一定范围内使用比较有效性研究。

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This model research is based on similarity theory and use number as similarity number;

该模型试验以相似理论为基础，采用热量阿基米德数为相似准则数。

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However, only a few teachers try to use it as a new research approach.

然而，我国教师个人对这种科研工具的利用并不多。

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However, only a few teachers try to use it as a new research approach.

然而，我国教师个人对这种科研工具的利用并不多。

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