水声反声材料 underwater acoustic reflection material ; marine acoustic reflecting material
反映群众呼声 to voice public concern
声反馈扬声器 acoustic feedback speaker ; FS coustic feedbck speker
声反射 acoustic reflex ; acoustic reflection ; acoustic reflex REFLEX
早期反射声量 Ernumber
声反馈 [声] acoustic feedback ; howl round ; AF ; acousticregeneration
声反射罩 [声] [建] acoustic reflection shell
反对声明 statement of objections
反驳声明 counterstatement
以往建筑声学图解法，只能解决特殊位置反声板的声波反射问题。
The former graphic method applied in architectural acoustics can only solve the problem of the reflecting sound wave with the sound reflecting board in special positions.
介绍了聚氨酯材料的水声特性，并重点评述了聚氨酯水声吸声材料、水声透声材料和水声反声材料的研究进展。
The underwater acoustic properties of polyurethanes were introduced. The recent research progress of underwater acoustic materials of polyurethanes was reviewed.
显然是担心来自社会的越来越大的压力，上个月村声抨击反人口 贩 卖活动，称其对人口 贩 卖的严重程度夸大其辞。
Clearly worried about growing social pressure, the Voice attacked the antitrafficking campaign last month, charging that it has exaggerated the extent of the problem.
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