2015年4月25日
Principles of measurement of sound intensity
摘要： ### IntroductionIn accordance with the definition of instantaneous sound intensity as the product of the instantaneous acoustic pressure and the insta... 阅读全文
posted @ 2015-04-25 23:14 醉天一叟 阅读(588) 评论(0) 推荐(0) 编辑