您要查找的是不是：
- The sound absorptivity of Low Resilience PU Foam was discussed,and got the influencing degree of each influencing factor to its acoustical absorptivity. 对慢回弹聚氨酯泡沫的吸声性能进行了探讨，分析出各影响因素对其吸声性能的影响程度。
- It indicates that straw-based wallboard has characteristics of low density, good heat insulation and sound absorption. 笔者综述了3种墙体材料生产工艺、产品性能及其用途的研究现状和发展趋势。
- Horniness beaverboard sound absorption, waterproof properties is good, hard usage, construction is convenient. 硬质纤维板吸声、防水性能良好，坚固耐用，施工方便。
- Its good characteristics include low cost, high durability and good property of sound absorption. 它具有成本低、耐久性高、吸声性能好的特点。
- The sound absorption coefficient of the material was tested by standing wave tube method. 采用驻波管法测试材料的吸声系数。
- The sound absorption property of eucalypt wood of 0.5 cm in thickness is much better than that of 1.0 cm in thickness. 0.;5厘米厚的锯材的吸声性能好于1
- The sound absorption coefficient of three kinds OSB wallboard were tested by the stationary wave method. 采用驻波管法测定了3种定向结构板(OSB)复合墙体的吸声系数；
- In the light stamen and pistil heart the flow butterfly sucks the sound absorption. （只要意思接近）翻译：“挥去快乐的天堂时光，而坠入诱惑的梦想世界。
- The function of the curtain is sound absorption, sound insulation, adiabatic above all, prevent cold, adjust the light. 窗帘的功能首先是吸声、隔音、隔热、防寒、调节光线等。
- Sound absorption materials is always used in controlling reverberation time in the acousti-cal design of studios. 对演播厅混响时间的控制,在声学设计上往往通过安装吸声材料来实现。
- The aim was to research the sound absorption properties of graded polyurethanes at different incident angles. 主要研究梯度聚氨酯在全入射角下的吸声性能。
- Numerical and emulational results of sound absorption coefficient from some typical structures are presented. 给出了一些典型结构的吸声系数的仿真结果。
- Sound Absorptivity and Application of Perforated Panel Structure 穿孔板吸声结构的吸声性能及其应用
- Report on the Determination of Sound Absorption Coefficients of a Renhurst Rippletone Ceiling System in a Reverberation Room. 怡谱佳吊顶声学混响室法吸音系数报告。
- Inside wall of pump chamber is adhibited with sound absorption material, equipped with double layer sound isolation door. 水泵房等房间内壁贴吸声材料。采用双层隔音门。
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。
- Micro-perforated sound absorption structures proposed by Professor Maa Dah-You have got abroad application on noise reductions and isolations in air. 摘要马大猷教授提出的微穿孔板吸声结构在空气噪声降低和隔离方面得到了广泛的应用，但未见水下应用的相关研究和报道。
- The results showed that the OSB wallbord composed by OSB,air and glass wool had a good sound absorption property,specially for low frequency sound. 结果表明，由定向结构板、空气层、玻璃棉构成的复合墙体在低频率范围内会出现共振现象，吸声性能比单层定向结构板有显著的增加，但在高频率范围内变化较小；
- In this paper, turnable sound absorption structure is used to makethe reverberation time modulatable so as to meet the requirements of broadcasting. 在黑龙江省财政专科学校“电教中心”的改建工程中，我们采用了墙面可翻转吸声结构，从而使房间混响时间可调，能满足多方面演播需要。
- The paper chooses the appropriate muffler,and experiments with the capability of sound absorption material,and designs the dustproof project. 本文通过选择合适的消声器以及吸声材料实验和防尘方案的设计。
