2742| 6
|
[声学基础] 声强和距离成反比还是和距离的平方成反比? |
| ||
发表于 2006-9-6 09:44
|
显示全部楼层
| |
| ||
发表于 2010-11-9 14:51
|
显示全部楼层
| |
GMT+8, 2024-11-8 16:48 , Processed in 0.070502 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.