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。

youdao

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。

youdao