In the Netherlands, Shell delivers CO2 to farmers who pipe it into their greenhouse, increasing their yield of fruits and vegetables.

在荷兰，壳牌公司向农民们输送二氧化碳，农民们将其排入他们的温室，从而提高了他们水果和蔬菜的产量。

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Stdin can also come from the standard output of another program, using the "|" (pipe) operator of the shell, as follows.

使用shell操作符“|”(pipe)也可以使标准输入来自另一个程序的标准输出，如下所示。

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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。

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