反行进行用来描述相反方向的两个音的运动。
Contrary motion describes the movement of two voices in opposite directions.
在Shell对命令行进行解释时，将执行反勾号之间的命令，并在最终的扩展结果中使用该命令的输出。
A command between back ticks runs as the shell interprets the command line, and the output of the command is used in the final expansion.
在Shell对命令行进行解释时，将执行反勾号之间的命令，并在最终的扩展结果中使用该命令的输出。
A command between back ticks runs as the shell interprets the command line, and the output of the command is used in the final expansion.
应用推荐