面对一个声学渗透张，内有一成员有穿孔穿过结构和管状分子延长在一个登记方由此说穿孔。
An acoustical facing sheet comprising a permeable member having perforations therethrough and tubular elements extending therefrom on one side in register with said perforations.
该博物馆还在动物声学、细胞遗传学以及分子分类学等方面操作多用户的实验室。
The Museum also operates multi-user laboratories in animal acoustics, cytogenetics, and molecular systematics.
该博物馆还在动物声学、细胞遗传学以及分子分类学等方面操作多用户的实验室。
The Museum also operates multi-user laboratories in animal acoustics, cytogenetics, and molecular systematics.
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