earmuff的意思
earmuff中文翻譯:
n.御寒耳罩
bat fowling shakespeare definition───捕蝙蝠莎士比亞的定義
melts my heart in spanish───用西班牙語融化我的心
wear with it───穿上它
hearty meal───飽餐一頓;豐盛的飯菜
spears 5e───長矛5e
turkey earthquake rescue───土耳其地震救援
dearly bethany───親愛的貝薩尼
anticipated earnings───預期收益
Neolitgardelearn to read───學習閱讀
beaches near newport news va───弗吉尼亞州紐波特紐斯附近的海灘
noise can be better attenuated so as to obtain good attenuation characteristics over the entire audible frequency range by using active noise reduction technique in the closed-air type earmuff.───密閉型耳罩中,利用有源降噪技術可以較好地衰減低頻噪聲以使整個可聽聲頻率范圍內獲得良好的衰減特性。
optimum design of the controller of compound active noise cancellation earmuff is discussed.───探討了復合式有源消聲耳罩的控制器的優化設計方法。
Noise is another hazard. Working with noisy tools such as jackhammers requires proper, effective use of hearing protection. Ear plugs and earmuff type hearing protection is recommended.───噪音是另一種危險。使用手提鉆之類的噪音工具時,必須佩戴有效的聽力保護裝置。建議使用耳塞和耳罩聽力保護裝置。
Test and Study of the Phase Characteristics in the Electro-acoustic Translation of Active Noise Cancellation Earmuff───有源消聲耳罩電聲轉換相位特性的測試研究