9061| 5
|
有償求助,幫忙推導(dǎo)隔聲量的公式。利用SEA(統(tǒng)計(jì)能量法)推導(dǎo)一個(gè)板結(jié)構(gòu)的隔聲量。 |
| ||
| ||
| ||
Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2025-9-3 03:10 , Processed in 0.073577 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.