Simple key combinations exist for window switching, group switching, frame control and screen switching.

简单的按键组合来实现组切换，框架控制，屏幕切换。

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The synchronizing drive control for the target pitch frame is one of the key technology in the project.

目标俯仰框架的同步驱动控制是本项目的关键技术之一。

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A key point of seismic design for a specially-shaped column frame is to control its weak section. This can greatly improve its seismic capability.

异形柱框架抗震设计的关键问题之一就是要控制其薄弱部位，这样可显著提高结构的抗震能力。

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The audience is expecting a one to two second pause when you bend down to hit the key to advance the frame or even if you are using a remote control.

FORBES: A Few Notes on Notes - Media Training