A new set of decision rules which can be used for any situation is developed according to the basic principle of this method.

本文从内部收益率基本原理出发，建立了一套适用于任何情况下使用内部收益率的决策准则。

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In this paper, a new supporting equipment of primary air pipein cooler is introduced , and the design principle, main features and application situation are discussed.

介绍一种新型的冷却机主风管的支撑装置，针对设计原则、主要特点和使用情况进行了讨论。

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There are provisions in matters of principle on officials' challenge system in the contemporary public servant system, but they don't fit in with the new situation.

我国当代有关公务员制度中虽也有任官回避方面的原则性规定，仍不适应新形势下的新情况。

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