decibels 中文意思是什麼

decibels 解釋
分貝數
  1. The ordinate scale is linear in decibels.

    縱坐標比例尺以分貝為單位是線性的。
  2. At this site the levels have been recorded as high as 67 decibels

    這個地方被記錄的噪音水平高達67分貝。
  3. The intensity of a nearby jet taking off is about 110 decibels

    一架在附近起飛的噴氣機的聲音強度大約是110分貝。
  4. But the loud - song champions are the blue whales, whose earsplitting melodies can reach 188 decibels underwater ( 162 db in air ), more than 100 times louder than a roaring jet engine

    不過,聲音最大的當屬藍灰色大須鯨了,它的聲音震耳欲聾,在水底可達一百八十八分貝(空氣中為一百六十二分貝) ,比轟轟作響的噴射引擎聲還要大過一百倍!
  5. The nco limits are measured via the 30 - minute equivalent level in unit of a - weighted decibels ( db ( a ) ), which is a commonly used international standard

    該條例所訂的聲量上限是以每三十分鐘時段內的平均噪音能量水平量度,以a加權分貝值為單位(分貝( a ) ) ,該準則為國際普遍採用的標準。
  6. G. leaf s round wears away from the is small, maintained conveniently ; the working noise is lower than 75 decibels and dust pollution is little. vertical impactiong crusher. pcl - impact crusher. sand - making machines

    該系列制沙機又俗稱為自擊式破碎機石打石破碎機八馬克制砂機八馬克沖擊式破碎機,立軸式破碎機,立式沖擊破等。
  7. Modern life is noisy. we measure just how noisy it is in decibels ( db )

    現代生活充斥著喧鬧雜音。我們用分貝來計算音量。
  8. The ratio of output power from an amplifier system, to the input power. gain is normally measured in decibels

    放大系統的輸出功率與輸入功率之比,增益通常用分貝表示。
  9. The level at some particular point is the gain or loss of power, expressed in decibels ( db ) between that point and some arbitrary reference point

    某一特定點的電平是指該點和某一任意參考點之間的功率增益或損耗,用分貝表示。
  10. The applied evaluation of depth of anaesthesia with brainstem auditory evoked potential in three different decibels level in patients undergoing craniocerebral surgery

    3種聲強下腦干聽覺誘發電位在顱腦手術麻醉深度評估中的應用
  11. In the canadian study volunteers carried out tasks while listening to levels of noise varying from 53 equivalent to an office environment to 95 decibels equivalent to an oil rig

    在加拿大的研究中,志願者們邊開車邊聽不同分貝的音樂,從53分貝相當于辦公室的聲音環境到95分貝相當于石油鉆探時的聲音環境不等。
  12. In the canadian study volunteers carried out tasks while listening to levels of noise varying from 53 decibels ( equivalent to an office environment ) to 95 decibels ( equivalent to an oil rig )

    在加拿大的研究中,志願者們邊開車邊聽不同分貝的音樂,從53分貝(相當于辦公室的聲音環境)到95分貝(相當于石油鉆探時的聲音環境)不等。
  13. But most portable music players can produce sounds up to one hundred twenty decibels

    而很多攜帶式音樂播放器產生的聲音就高達120分貝。
  14. When the kai tak airport was operating, about 380, 000 people were affected by extreme noise of up to 100 decibels from aircraft less than 100 metres overhead, as the airport was surrounded by residential blocks

    當啟德機場還在運作時,約有38萬人受到震耳欲聾的飛機噪音影響。啟德機場差不多被住宅樓宇所包圍。飛機在離地不足100米的上空飛過時,噪音水平可達100分貝。
  15. Logarithmic quantities and units - part 2 : logarithmic ratios, levels in nepers and decibels

    對數值和單位.第2部分:對數配量奈培單位和分貝級
  16. The authors explain how they were able to reduce noise levels in their animal facility by as much as 15 decibels in some areas using readily available industrial and architectural acoustical panels

    作者群說明他們如何在其動物設施中利用可購得的工業產品和建築用之隔音版有效降低噪音至15分貝。
  17. Measured in decibels6, noise intensity can range from zero, the quietest sound the human ear can detect, to over 160 decibels

    按分貝計算,噪音強度可以從零(人耳所能感到的最低聲音)到160分貝以上。
  18. As you all know, the normal noise threshold for private housing is 55 decibels

    正如你們知道的,個人房子正常噪音為55分貝。
  19. But in those men who had a history of ear infections, the use of personal stereos " was associated with a mean extra hearing loss of 11 ( decibels relative hearing loss.

    但對有耳部病史的人來說,使用耳機造成的聽力損失平均達11分貝
  20. The crew may run close to the clamorous surface during rainstorms or navigate along polar regions, where the formation, breakup and wave - beating of ice can produce background clatter as loud as 55 to 80 decibels

    潛艇往往在發生暴風雨時,靠近吵雜的海面,或選擇在極地周圍航行,在這一帶會有冰塊生成、破裂,以及海浪拍擊等形成的背景音,往往高達55 ~ 80分貝。
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