The optimum design of the controller of compound active noise cancellation earmuff is discussed.探讨了复合式有源消声耳罩的控制器的优化设计方法....

护耳...

n.御寒耳罩，耳套...

earmuffs的音标：earmuffs的英式发音音标为：['ɪəmʌfs]earmuffs的美式发音音标为：['ɪrmʌfs]...

earmuff的音标：earmuff的英式发音音标为：['ɪəmʌf]earmuff的美式发音音标为：['ɪrˌmʌf]...

a pair of earmuffs一副耳套I'll lend you my gloves and earmuffs until you get your own.我会把我的手套和耳罩借给你直到你买到这些东西为止.She could not bring herself to purchase even an inexpensive set of earmuffs made of mink.但她不会买一件即使是由貂毛制作而成的便...