亚洲国产精品视频中文字幕,毛片亚洲AV无码精品国产午夜,亚洲国产精品色婷婷,国产综合日韩精品第16页

單詞乎

ground noise

ground noise是什么意思、ground noise怎么讀

ground noise漢語翻譯

【化】 本底噪聲

ground noise英語解釋

名詞 ground noise:

  1. extraneous noise contaminating sound measurements that cannot be separated from the desired signal
    同義詞：background noise

ground noise例句

  1. The engine gave forth a grinding noise, then stopped.
    發(fā)動機發(fā)出一陣軋軋聲，隨即停了下來。
0
糾錯