2486| 2
|
[结构振动] 频率为什么有复数? |
| ||
发表于 2011-12-10 14:10
|
显示全部楼层
| |
发表于 2011-12-11 21:25
|
显示全部楼层
| ||
GMT+8, 2024-11-29 12:53 , Processed in 0.105316 second(s), 23 queries , Gzip On.
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.