别名机制最适合于您希望设置单个命令的命令行选项的情况，虽然也可以使用它们来将给定的命令展开为一组命令或管道。
The alias system works best where you want to set the command-line options on an individual command, although they can be used to expand a given command into a set of multiple commands, or pipes.
冬天如果关闭超高温机械设备，管道就会冻住，造成昂贵的损失，工程师设置了一个复杂的循环程序让机器维持运转。
Unable to shut down superhot machinery in winter — the pipes could have frozen, causing costly damage — the plant's engineers kept the facility operating through a complicated recycling scheme.
这意味着必须设置一个磁铁，以便调整质子束方向以保证沿着切向方向导入圆形粒子束管道。
That means a magnet has to nudge the protons to enter the circular beam pipe on the tangent.
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