This article draws from existing research and improves empirical method and analyzes the manipulation over operational cash flow of 554 a share listed companies which refinanced between 1999 and 2004.
本文在已有研究思路的基础上，改进了实证方法，考察了1999—2004年再融资的554家A股公司的经营性现金流操纵行为。
The paper analyses an algorithm named the maximal element method about radar jamming resources assignment based on the principles of operational research.
本文在运筹学的基础上，研究了一种干扰资源分配算法，称之为最大元素法。
It programs and optimizes the maintenance process by using the network plan method of operational research.
运用运筹学理论中的网络计划技术，对维修过程进行规划和优化。
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