In this paper, different features and application of modification works for old machine tool was analysed, and different control schemes with NC devices was given.

通过分析不同老式机床改造工程的特点和用途，提出了采用了不同数控设备的控制方案，并给出了相应的应用结果。

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Remember that the comparison works on the filename, not the file system creation or modification date, and so the script is able to work with files that might have been created overnight.

请记住，比较操作针对于文件名，而不是文件系统的创建或修改日期，所以该脚本可以对头天晚上创建的文件进行操作。

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That way, testing if an application still works if the data is modified is really simple and does not require any modification of the source code.

这样一来，测试数据修改后应用程序是否还能工作就显得异常简单，无须修改任何源代码。

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