通过实例，具体说明软件测试方法和缺陷跟踪管理的改进过程，以及所使用的工具。
Through the example, the improvement process of the software test method and the defect track management, as well as the tools used are discussed.
主要介绍应用CAXA—WE DM软件结合具体实例进行线切割数控加工自动编程的过程，并对如何编程和实际操作时需要注意的问题作了较详细的叙述。
It presents the process of automatic programming with CAXAWEDM for NC linear cutting. Detailed description is given to the way of programming and points to be noted in actual operation.
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