在命令行上，您可以通过一系列管道实现等效的功能（使用 KILL 信号），如 清单 5 所示。
On the command line, you can achieve the equivalent through a series of pipes (using the KILL signal), as shown in Listing 5.
他们说他们的后向激光可以，例如，在气体输运管道破裂的情况下使探测大气中的甲烷信号变得更容易。
They say that their backward laser would, for example, make it much easier to scan the atmosphere for signs of methane in the case of a ruptured gas pipe.
和管道相连的是一个传感器，用来捕获压力改变并将其转换为电信号。
This is connected to a sensor that picks up changes in pressure and translates them into electrical signals.
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