The invention solves problem of inconvenience for replacing device and incapability of narrow bandwidth using 2B+D interface press key control cab for the present.

本发明解决了目前以2B+D作为接口的按键调度台，由于器件更换不便以及带宽太窄不能充分满足业务需求而带来的问题。

youdao

The computer just dings when I press a key.

我一按键，电脑就发出丁的一声。

《牛津词典》

Press Windows key+R to bring up the Run dialog box, then type in "taskmgr" and click OK.

按下 Windows 键+ R ，出现了一个“运行”的对话框。 在对话框中输入 taskmgr ，然后点击确定。

youdao

Weng Tojirakarn, a key leader of the red shirts, says the movement stands by its efforts to press the government to dissolve parliament.

VOA: standard.2010.04.03

When you press a key on these models, its underside squishes through a layer of rubber that touches a circuit board.

WSJ: Keys That Really Click

It really is very simple: just look at something and press the Delete key.

ENGADGET: Hands-on with Tobii REX, a peripheral that brings eye-tracking to any Windows 8 PC (video)

With a mechanical keyboard, on the other hand, each key press triggers an actual on-off switch a feeling as solid as flicking on the lights.

WSJ: Keys That Really Click