限制噪聲發射 的英文怎麼說
中文拼音 [xiànzhìzàoshēngfāshè]
限制噪聲發射
英文
limiting noise emission- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 噪 : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
- 發 : 名詞(頭發) hair
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
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The control over the surface radiation noise ( combustion noise and mechanic noise ) is restricted by factors like the engine performance. technically such a control is quite difficult to manage and the noise reduction effect is not so encouraging
發動機表面輻射噪聲(燃燒噪聲和機械噪聲)的控制要受到發動機性能方面的種種限制,從技術角度講難度很大,且降噪量有限。
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