接近振鳴 的英文怎麼說

中文拼音 [jiējìnzhènmíng]
接近振鳴 英文
near singing
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ動詞1 (鳥獸或昆蟲叫) (of birds animals or insects) cry 2 (發出聲音;使發出聲音) sound; make...
  • 接近 : 1 (靠近; 相距不遠) be close to; near; approach 2 [天文學] approach; approximation; application;...
  1. So the pipe system sends out noise because of resonance. especially the frequency 250hz of pulsating water is in close proximity to natural frequency of pipe, so the 250hz is a dangerous frequency to the pipe system. there is another reason why the noise is reached to 110db ( a ) in pump room that the noise is magnified by the cistern because of the resonance of cistern

    特別是激勵頻率為250hz的頻率分量恰好與管道系統的固有頻率相,其引起的管道動對噪聲的貢獻最突出,同時也與水泵房房腔的固有頻率相,從而引起房腔共發聲,使噪聲進一步被放大,以至於噪聲最大處高達105db ( a ) 。
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