Universal soil Loss Equation (USLE) is an empirical model widely used in the domain of soil erosion by water.

通用土壤流失方程(usle)是水动力土壤侵蚀研究领域应用广泛的经验模型。

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This means that the empirical equations cannot be raised into an universal abstract form by themselves.

这意味着那些经验等式不能被它自己提升到一种普适的形式。

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At present, the domestic military teaching exists universal superficial phenomenon, this article launched empirical research on it.

目前，国内军事教学普遍存在知识肤浅化问题，本文就此现象展开了实证研究。

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The empirical case for this expansion the evidence that universal preschool "works, " as Mr. Obama put it rests on two academic studies, the Abecedarian and Perry projects, conducted four and five decades ago.

WSJ: Review & Outlook: Head Start for All