许多年前，版本控制系统就已经提供用于获取丰富的历史信息的许多功能了。

Many of the capabilities for capturing rich history information have been around for years with version control systems.

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AspectJ主页：下载最新的版本，获取关于AspectJ和AJDT的信息。

AspectJ home page: Download the latest release and get information about AspectJ and AJDT.

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老版本PHP用户可从PHP手册(链接见参考资料)的适当章节获取详细信息和激活方法。

Users of older PHP versions can obtain detailed information and activation instructions from the appropriate section of the PHP manual (see Resources for links).

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