双屏幕概念并不新潮。

The two-screen concept isn't exactly a new one.

youdao

或者沿用东芝Libretto的双屏幕么？

Or something along the lines of the dual-screen Toshiba Libretto?

youdao

所有的功能都完全支持双屏幕的环境。

All functions are fully supported on a dual screen environment.

youdao

Someone-- or someone had to implement, had to write a tool called printf that itself takes input between quotes and produces as output some characters on the screen.

需要有人去实现，这个printf函数,以双引号间的信息为输入,输出相应字母到屏幕上。

哈佛公开课 - 计算机科学课程节选