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- As for acoustical property, the property of SRA is closer to rigid, so the sound absorption coefficient is lower under the same pavement type. 在音学性质方面,SRA因性质偏向刚性,故在相同铺面型式下系其吸音系数较低。
- Specially designed closing rims make the upright soundboard irregular in shape (more like a grand), and improve its acoustical properties. 特别设计的外壳使直身钢琴的音板更像三角钢琴,更能提升听觉享受。
- The acoustical properties of compound impedance in a double layer sound absorbing structure is studied,Base on that,A model is constructed to optimize the double layer structure. 研究了由穿孔板及吸声材料构成的双层阻抗复合吸声结构,在此基础上建立了其声学性能模型,并通过建立优化数字模型,对其结构的各个几何参数和物理参数进行了优化设计。
- Mechanical properties, fluid permeability, acoustical properties, heat conductivity and damping capacity were tested by testing methods and testing units that we design. 研究渗流铸造泡沫铝合金的性能特点,自行设计测试方法和制造测试装置,测试了泡沫铝合金的力学性能、流体透过性能、声学性能、热传导性能和阻尼性能。
- The model was used to describe the relationship among the mechanical property, acoustic property and the confining pr... 钻头对岩石的破碎效应除了受岩性的制约外,因埋深而产生的压实效应也对其有重要的影响。
- Methods: We conducted comparative studies on the acoustic property including frequency response affected by different sizes, length of the sound bore, vent of hard earmould. 方法:在其它条件不变的情况下,对同一耳不同长度的耳模,改变其声孔、气孔形状、口径及加用阻尼等进行测量,并对其声学特性进行分析。
- A microstructure based acoustic model is introduced, which can be used to optimize the microstructure of cellular materials and thus to obtain their optimal acoustic property. 摘要介绍了一种基于微结构的声学模型,可用来对多孔材料的微组织结构进行优化,从而使多孔材料具备最佳的声学性能。
- I apportioned half the property to each of them. 我把财产的一半分配给他们各人。
- A microstructure based acoustic model is introduced,which can be used to optimize the microstructure of cellular materials and thus to obtain their optimal acoustic property. 介绍了一种基于微结构的声学模型,可用来对多孔材料的微组织结构进行优化,从而使多孔材料具备最佳的声学性能。
- The courts ordered the seizure of all her property. 法院下令查封她所有的财产。
- Analysis of Acoustical Property of Sheared Resilient Wheels Depend on Testing 弹性车轮与刚性车轮噪声特性试验对比研究
- She has a right to the property. 他享有这比财产权所有权。
- acoustical properties of the sea floor 海底声学特性
- The property revert to its original owner in1998. 财产于1998年将归还原所有人。
- ACOUSTICAL PROPERTIES OF YONGLE BELL 永乐大钟的声学特性
- The stolen property must be restored to its owner. 赃物必须物归原主。
- He gave full particulars of the stolen property. 他详细列出全部被盗的财物。
- The gas bubbles affect the acoustic properties of the line by energy dissipation as well as by added compliance. 气泡改变了管道的声学性质,这是由于能量的耗散和增加了顺从性的缘故。
- He should not trespass on his uncle's property. 他不应侵占他叔叔的产业。
- He has a property in the West Country. 他在英格兰西南部有一处房地产。