The control object is a speed unit or converter system.

输出控制的对象为速度单元或变频调速系统。

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A new design of BJT analog switch using high speed unit such as emitter follower, current mirror and unsaturated current switch is presented.

本文采用射极跟随器、电流镜、非饱和电流开关等高速单元电路设计了一种新颖的BJT模拟开关。

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He brought on director James McTeigue who directed V for Vendetta and had done second unit work on Speed Racer.

FORBES: The Movie Biz

Because everyone had to work to bring the new hire up to speed, the performance of the whole unit declined.

FORBES: Why Promoting From Within Usually Beats Hiring From Outside

Offering exceptional optical performance to provide minimal distortion and chromatic aberrations while suppressing ghosting and flare, the advanced lens unit allows for higher shutter speed and captures stunningly clear images.

ENGADGET: Panasonic's Lumix line gets a lot more crowded