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1·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。

2·Transfer the TRK SIS file to your phone and install it to phone memory.

转让trk的SIS文件到您的手机和它安装到手机记忆库。

3·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。