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The optimum design of the controller of compound active noise cancellation earmuff is discussed.探討了復(fù)合式有源消聲耳罩的控制器的優(yōu)化設(shè)計方法....
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earmuffs的音標：earmuffs的英式發(fā)音音標為：['??m?fs]earmuffs的美式發(fā)音音標為：['?rm?fs]...
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護耳...
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n.御寒耳罩，耳套...
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earmuff的音標：earmuff的英式發(fā)音音標為：['??m?f]earmuff的美式發(fā)音音標為：['?r?m?f]...
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a pair of earmuffs一副耳套I'll lend you my gloves and earmuffs until you get your own.我會把我的手套和耳罩借給你直到你買到這些東西為止.She could not bring herself to purchase even an inexpensive set of earmuffs made of mink.但她不會買一件即使是由貂毛制作而成的便...