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- Material acoustic performance 材料声学性能
- Acoustic Material Acoustic material is any material considered in terms of its acoustic properties, especially its properties of absorbing or deadening sound. 声音材料声音材料,特指有吸音或隔音特性的材料。
- Components produced to the ZED products specification can also be used in renovation programmes, raising thermal and acoustic performance. 按照零能耗开发规范生产的部件也能用于翻修项目，提高原有建筑的保温和隔音性能。
- As an example for application, the rotating monopole point source is assumed to form the simple harmonic motion in a cylindrical cavity and its acoustic performance is obtained. 进而利用该频域解计算分析了旋转简谐单极子点源的声学特性。
- An axial-flow fan (AFF) is one of the important components in heating ventilating facilities.Both the acoustic performance and aerodynamic capabilities are the key technical indexes. 轴流风扇是通风散热设备的重要部件之一，气动性能和声学性能是其两大关键技术指标。
- Acoustic Performance of Flexible Rubber Pipe 挠性橡胶管管壁对压力波传播速度的影响
- A controller is key factor for determining acoustic performances and price for an adaptive active noise control system applied to practical engineering. 摘要在自适应有源噪声控制的实际应用中，控制器是决定整个系统性能和价格的关键因素。
- The results of field testing and subjective assessment show that the fulfilling acoustical performance of the clas... 经现场测试与主观评价,表明了此方法对阶梯教室控制音质效果的有效性和可行性。
- The material is flawed throughout. 这种材料到处是裂缝。
- Optimization Methods for Acoustic Performance of Panel Speaker 平板扬声器声性能优化方法
- He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
- Numerical Study of Acoustic Performance of Exhaust Muffler 排气消声器性能的数值模拟
- That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
- Jim is going to get material for a new book. 吉姆正打算为一部新书准备材料。
- Analysis of Acoustic Performance About CA6140 Lathe Main Spindle CA6140车床主轴声学性能分析
- The storm did a great deal of material damage. 暴风雨造成了大量物质损失。
- Radioactive ray is material thing. 放射线是实际的物质。
- The presentation of the material was untidy. 所提交的资料缺乏条理。
- He covered the cushion with new material. 他给靠垫蒙上了新的料子。
