Pests may be controlled using mechanical or physical means, such as traps, light, or sound.
还可以通过机械或物理手段控制害虫，例如捕捉器，光照或声波。
This paper introduces a new type of seat-belt warning system, which is controlled by single chip with warning light and sound reminding drivers to pull on the seat-belt.
介绍一种新型安全带提示装置，它采用单片机控制以提示灯和声音来提示驾驶员系上安全带。
The auditorium is equipped with modern facilities such as LED, central air-conditioner, top-ranking acoustic shell, sound control room and light control room which are computer numerically-controlled.
会堂还配备电脑数控灯光控制室、电脑数控音效控制室和具有国际水准的反音罩。
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