infra sound 中文意思是什麼

infra sound 解釋
次聲
  • infra : adv （opp supra） 〈拉丁語〉 在下，在以下。 see infra p 40 參看第40頁以下。 vide infra 見下，參看...
  • sound : adj 1 健全的；強壯的，正常的；完好的，無疵的，沒有腐爛的（船、牙齒等）。2 正確的；正當的，合法的...
  1. Atmospheric acoustics is the study of propagation of sound waves in the atmosphere. listed in it is the study of infra - sonics, which focuses on inaudible, low - frequency sounds

    研究聲音在大氣中傳播特性的科學稱為大氣聲學，當中的次聲學便是專注於人耳無法聽到的低頻聲音。
  2. What is infra - sound

    什麼是次聲？
  3. Because weather systems are generally large in size, many of them generate infra - sound

    由於天氣系統的尺度通常較大，所以很多天氣現象都會產生人耳無法聽到的次聲。
  4. Humans can hear sounds from 20 hz to 20, 000 hz. those below 20 hz, which we call infra - sound, are inaudible

    人的聽覺極限為赫茲至萬赫茲，低於赫茲的音波稱為次聲，我們人類便無法聽到。
  5. Even before world war i, the detection of infra - sound had been employed in locating strong explosions

    早在第一次世界大戰前，次聲已用於偵測爆炸的位置，在冷戰期間亦被用來監測大氣中的核試驗。
  6. The wave length of infra - sound is quite long : typical infra - sound from the eye of a typhoon has a 4 to 8 second cycle 0. 25 to 0. 125 hz, meaning that its wavelength is a few kilo - metres long

    次聲波的波長很長，例如臺臺風眼所產生的次聲振動周期約秒0 . 250 . 125赫茲，波長便可達數公里。
  7. One of the interesting properties of infra - sound is that it can travel a long distance in the air without much decay. this enables continuous monitoring of the atmosphere on a large scale. when combined with other remote sensing data, it can provide additional information regarding the atmospheric structure

    次聲波的特點是衰減小，可作長距離傳播，因此能夠對大氣進行大范圍連續不斷的監察，當結合其他的遙感資料一起使用，更可提供額外的關于大氣結構的數據。
  8. Apart from well - known sources like earthquake, tsunami, volcano eruption, many weather systems including typhoon, thunderstorm, tornado, and even clear air turbulence also produce infra - sound

    除了地震，海嘯，火出爆發等等，各種氣象系統如臺風，雷暴，卷風甚至晴空湍流都會產生次聲。
  9. It was a hot topic during the cold war period to monitor nuclear tests in the atmosphere. the " comprehensive nuclear test ban treaty " required that a global network of infra - sound sensors be installed to monitor abnormal explosions in the air

    全球正在推動的」全面禁止核試驗條約」中，便要求在全球范圍內設立次聲監測網，以監察在大氣中有否異常的大規模爆炸。
  10. Sound transmission using infra - red radiation

    用紅外輻射的聲傳輸
  11. Stage lighting, sound system, slide and film projection equipment with large cinema screen, infra - red simultaneous interpretation system, video projector and piano

    舞臺燈光音響系統幻燈機電影放映機特大銀幕紅外線即時傳譯系統影像投射機及鋼琴。
分享友人
分享到 Line

分享到臉書