介绍了动态切片的基本概念，并将程序依赖图算法应用于动态切片，从而达到缩小程序分析范围的目的，讨论了动态切片在程序调试和软件测试中的应用。
The basic conceptions of dynamic slicing are introduced, to which the program dependence graph arithmatic is tried to apply, thus reducing the scope of program analysis.
介绍了动态切片的基本概念，并将程序依赖图算法应用于动态切片，从而达到缩小程序分析范围的目的，讨论了动态切片在程序调试和软件测试中的应用。
The paper discusses basic concepts in dynamic slicing at first, then presents a dynamic slicing method based-on dynamic flow, it′s application in software test and program debugg.
从事件时序和因果关系的新角度，定义了事件依赖、构件依赖、构件系统依赖图等构件系统依赖性分析的概念，并给出提取这些依赖关系的算法。
Define the event dependence and the component dependence from a new method of event's causality and time sequence. Corresponding algorithms are also proposed.
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