隔聲指數 的英文怎麼說

中文拼音 [shēngzhǐshǔ]
隔聲指數 英文
sound insulation index
  • : partitionseparate
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. Abstract : the colored sandwich steel plate has been successfully used in the noise control at the cooler center in the paint shop of dcac wuhan factory, expressed with laudness index, noise level is reduced 79. 65 % after control. the effect is very excellent

    文摘:在噪治理中,採用彩色夾心板作構件,在武漢總廠塗裝分廠製冷站應用成功,用響度這個絕對表示,治理前後噪總響度降低79 . 65 % ,效果非常好,達到了預期的目的。
  2. And the supply scheduling design protects the mmic chips. the final measurement result shows the transmitter power reaches more than 500mw, noise figure is less than 6db, the receive gain is higher than 25db, the isolation is more than 40db

    實驗結果顯示發射通路輸出功率> 500mw 、噪< 6db 、接收通路增益> 25db 、和差發射通路的離度> 40db ,收發離度> 40db ,基本達到標要求。
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