Three types of methods for quantum chemical calculations have been proposed according to the correlation effects.

根据相关效应，建议将分子的量子力学计算方法分为三类。

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To estimate more accurately the electron correlation effects, one has to calculate to higher orders and check he convergency of the series.

要准确计及电子相关效应，还需通过作更高阶展开，以考察级数的收敛性。

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Soft film smallpox is correlation detection through the relevant professional departments, that effectively improve the indoor sound effects of the material.

软膜天花是经过有关专业部门的相关检测，证明本材料能有效的改进室内音色效果。

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Michael Morgan, an experimental psychologist at Sussex University, admits that there are holes in the experimental record that need to be filled before the link between the drug and nasty long-term effects moves from correlation to causation.

ECONOMIST: A scientific row has broken out over the effects of Ecstasy