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The attenuation amount of diffraction of this sound barrie is calculated according to the acoustics principle, the feasible remedies are put forward. 并根据声学原理计算了该声屏障绕射衰减量,提出了切实可行的补救措施。
Sound absorption board is a basis acoustics principle, the plate that uses all sorts of different and perforative rate will achieve eliminate noise, motherboard is white or aluminous color mostly. 吸声板是根据声学原理，利用各种不同穿孔率的金属板来达到消除噪声，底板大都是白色或铝色。
On the basis of thermodynamic theory and acoustic principle, a kind of exhaust heat exchange muffler for a road bus has been developed. 依据热工理论和声学原理，研制了一种公路客车用排气换热消声器。
According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper. 根据吸声结构理论基础以及多孔吸声材料的吸声机理,结合非织造布的结构特点,系统分析了非织造布的吸声原理。
Based on the acoustical principle of similarity,the realization way of the acoustical physical simulation experiment was discussed,which was testified by measurement results. 本文依据声学相似律理论，重点讨论了声学物理模拟实验的实现方法，并通过现场实验测量结果验证了模型实验测量结果。
The acoustics is a branch of physical. 声学是物理学的一个分支。
The acoustics of this concert hall are excellent. 这个音乐厅的传音效果极好。
The same principle may make for smoother writing. 这同一原则也可使文章写得更通顺。
The relevance of acoustical principles is by no means limited to sound and hearing. 声学原理并不仅仅适用于声音和听觉。
The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
The unbelief of God is our principle. 不信仰上帝是我们的原则。
Your behavior does not accord with your principle. 你的行为与你的原则不符。
It will be against my principle to lie to you. 对你说假话是违背我的行为准则的。
He acted from expediency, not from principle. 他为求达到目的，丧失了原则。
I refuse to go there, on principle. 我原则上拒绝到那儿去。
The same principle may make for smooth writing. 同样的原则可能有助于流畅的文体。
The acoustics of the hall are so good that you can hear everything even from the cheapest seats. 这座会堂的音响效果极佳，连最便宜的座位也能听得一清二楚。
We uphold the principle of racial equality. 我们坚持种族平等的原则。
The two machines work on the same principle. 这两部机器的工作原理是一样的。
The acoustics of this theater are admirable. 这个剧院的音响效果很好。