楼主: wangjiansen
|
GB-T 4854.7-1999 声学 校准测听设备的基准零级 7、自由场与扩散场测听的基准听阈.... |
发表于 2013-10-10 20:39
|
显示全部楼层
| |
天道酬勤
|
|
发表于 2015-8-1 12:04
|
显示全部楼层
| ||
|手机版|Archiver|XYCAD中国音响设计网 ( 京ICP备14030947号 )
GMT+8, 2024-12-22 11:06 , Processed in 0.112146 second(s), 25 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2024 Discuz! Team.