Various projects have already been started to migrate from an existing issue tracker to GitHub, for example Lighthouse and trac.
众多项目都已经开始准备从其它的问题跟踪器迁移到Github上来了，例如Lighthouse和Trac。
According to its Web page, "trac is an enhanced wiki and issue tracking system for software development projects," but it works equally well for administration requests.
Trac的网页指出，“Trac是一个用于软件开发项目的wiki和问题跟踪系统”，但是它同样适用于跟踪管理请求。
Based on the general formula for the stability analysis of common jointless trac ks, the calculation method for the stability of switches of a jointless turnout is put forward.
基于普通无缝线路稳定性分析的统一公式，探讨了无缝道岔转辙器稳定性的计算方法。
To obtain psycopg2, use its Trac home page.
要获得psycopg2，可借助其Trac主页。
If you want to be kept informed, enter your own Trac user name here.
如果你希望得到通知，请在这里输入你的Trac用户名。
Note: you need to go to the Trac Settings page to set your email address.
注：你可能需要进入Trac设置网页，设置你的电子邮件地址。
Trac is a Web-based software project-management tool that includes a wiki for managing project documentation and notes (see Resources for a link).
Trac是一个基于Web的软件项目管理工具，其中包括一个用于管理项目文档和笔记的wiki(请参阅参考资料)。
Most importantly, we continued to grow the development community to 1,528 people active on Trac and 13 committers, both numbers the highest in the history of WordPress.
最重要的是，我们的开发社区还在继续成长，活跃在Trac上的人有一千五百二十八个，还有13个提交者，这两个数字是WordPress历史上的最高纪录。
Further, use a database or a system such as Trac or Lighthouse (see Resources for links) to follow the life cycle of a configuration change-from request to implementation to expiration.
另外，可以使用数据库或者Trac和Lighthouse等系统(见参考资料中的链接)在配置的整个生命周期内(从请求实现直至取消)跟踪对配置的修改。
Further, use a database or a system such as Trac or Lighthouse (see Resources for links) to follow the life cycle of a configuration change-from request to implementation to expiration.
另外，可以使用数据库或者Trac和Lighthouse等系统(见参考资料中的链接)在配置的整个生命周期内(从请求实现直至取消)跟踪对配置的修改。
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