To track changes, double-click "TRK" on the status bar.
双击状态栏上的“修订”字样可开始修订文档。
If this is not the case, please use the instructions from the Qt Documentation for App TRK to get it installed.
如果不是上述情况，那么请根据Qt文档：App TRK的指示安装它。
If this is not the case, please use the instructions from the Qt Documentation for App TRK to get it installed.
如果不是上述情况，那么请根据Qt文档：App TRK的指示安装它。
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