The derivation process of the formulas and calculation method is described in detail.

详细叙述了改进计算式的推导过程及计算方法。

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For each smooth function in this paper, the theoretical basis, the detailed derivation process and performance are described.

本文所研究的光滑函数都有严密的数学推导，以及对正号函数逼近性能的详尽理论证明。

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The authors present product line architecture and product derivation process which comprise a product line of component container, named PLACE.

然后给出了一个组件容器的产品线——PLACE的设计，解释了其两个主要部分：产品线体系结构和产品派生流程；

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