Citing of reference literatures should follow representative principle and not follow authority principle.
参考文献的引用应遵循代表性原则而非权威性原则。
First, it introduces the mathematic basis of fractal theory, such as the fractal definition, dimension, fractal principle and representative fractal sets.
首先叙述了分形的数学基础,包括分形的定义、维数、分形的基本原理、典型分形集的分析。
In this paper, the principle, the environment and the key problems of the implement are illustrated. It is a representative example of the implement of PDM in enterprises.
本文以实例的形式,阐述了PD M的实施原则、实施环境及实施中的关键问题,是企业PD M实施的一个典型范例。
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