The volume control circuit is composed of a programming switch and a computer storing magnifying executive circuit, and can realize the automatic alarming volume control.

音量控制电路由编程开关、电脑存储放大执行电路构成，可实现报警音量自动控制；

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The Localism Act will require the 12 biggest cities in England to hold referenda to consider a switch to elected executive Mayors - the result could be a Boris-type figure in Birmingham, Bradford, Bristol, Coventry, Leeds, Liverpool, Manchester, Newcastle upon Tyne, Nottingham, Sheffield and Wakefield .

BBC: The mayoral future for England's great cities

He was dying on the phone when he heard another mute button switch off and the voice of an even more senior executive came on the line.

FORBES: Napa Valley: The Entrepreneur's Tour

He heard a mute button switch off and a voice he recognized as that of a senior executive in New York came on the line.

FORBES: Napa Valley: The Entrepreneur's Tour