The sub-shell (wrapped in parentheses) performs a series of tasks-albeit sleep delays in this contrived example-and emits output to a Zenity progress meter via a pipe.
sub - shell(包含在括号中)执行一系列任务—在这个人为例子中albeit sleep延迟—且通过一个管道将输出发出到一个Zenity过程表。
2
Watt-Hour Meter A watt-hour meter records the total power output at a specific point in a system. Typical recording increment is in kW-hours.
电度表电度表记录系统中某一点的总电力输出，通常以千瓦时为记录单位。
3
The network module calculates the output pulse of electric meter and transmits to computer by network, make the deferent distance more farther.