Most often, you provide stdin using the keyboard: you type the data you want sorted on a series of lines, for example.

多数情况下，您会使用键盘作为stdin：例如，您需要输入要排序的数据行。

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SHENZHEN, China - The phone's sleek lines and touch-screen keyboard are unmistakably familiar.

中国深圳- 手机的流线条和触摸屏设计家喻户晓。

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If I recall correctly, it displayed 4 lines of 40 characters on an LCD screen above the keyboard.

如果正确地撤消，它会在键盘上的LCD屏幕上显示4行40个字。

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The tinny percussion, rhythmic acoustic guitars and wispy synth keyboard lines on "Granny's Song" give the track a certain airiness.

NPR: The Old Believers: 'Granny's Song'

An alluring design with sleek lines, wireless keyboard and multi-gesture touchpad, the All-in-One Touch is a marriage of beauty and functionality.

ENGADGET: Vizio brings pricing and release information to spring line of laptops and desktops

Once he's come up with some simple lines on the keyboard, Tricky, whose real name is Adrian Nicholas Matthews Thaws, continues to explore them until he finds a form he can use.

WSJ: Tricky Business: Style Built on Samples | By Jim Fusilli