如果開左高頻率聲音
但我地聽唔到
咁長時間會唔會損害聽覺?
高頻率聲音
2009-05-02 5:03 pm
回答 (1)
2009-05-02 6:19 pm
✔ 最佳答案
Present scientific knowledge still has not found any hazard from exposure to ultrasound. In fact, utlrasound has been long used in medical diagnosis and no adverse health effect has been observed so far. The risk of pressure hazard due to ultrasound is expected to be low.
收錄日期: 2021-04-29 17:37:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090502000051KK00323