PDF4PRO ⚡AMP

Modern search engine that looking for books and documents around the web

Example: air traffic controller

Ⅰ.騒音の基礎 - e-jemai.jp

1 I 2 I 3 4 I 2012 P140 3 5 I )s/m( 273T C C c f Hz / 6 I Hz Hz dB Hz Hz Hz 4 7 I fc cf fc c m/s f Hz m 8 I 21dB3 5 9 I 2012 P122

2 1.音とは、騒音とは① 音波 空気中を伝搬する弾性波(空気の振動)、圧縮された密の部分 と膨張した疎の部分が次々と伝わっていく縦波、粗密波。

Loading..

Tags:

  Jamie

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Spam in document Broken preview Other abuse

Transcription of Ⅰ.騒音の基礎 - e-jemai.jp

Related search queries