声学水声材料样品插入损失、回声 降低和吸声系数的测量方法 (GB/T 14369-2011)
Acoustics-Measurement methods of Insertion loss,echo reduction and soundnabsorption coefficient for underwater acoustical material samples
代替GB/T 14369-1993
发布时间:
2011-12-30
实施时间:
2012-05-01
阅读数量:
(14)