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- acoustical transmittivity 透声系数
- A novel kind of multi-function acoustic transmitter with annular structure that can be used in acoustic logging was designed. 摘要设计了一种具有复合功能的环形结构的多极子声波测井辐射器。
- This system can set up acoustical resonances. 这种系统能产生共鸣。
- Underwater acoustic transmitter is very important component for an active sonar equipment. It consists of four parts, which are the signal generator, the power amplifier the matching network section and the transverter. 水声信号发射机是主动声纳设备的重要组成部分,包括信号源、功率放大器、匹配网络和换能器四部分。
- The acoustic transmitter composed of many flexural vibrators and arranged in an annulus is of monopole, dipole and quadrupole source functions by controlling the vibrating phase of each vibrator. 基本方法是由多个作弯曲振动的压电振子构成了圆弧阵辐射器,通过改变圆弧阵上压电振子的组合方式和振动相位,使该圆弧阵成为单极子源、偶极子源和四极子声源。
- NINGBO APPLE ACOUSTICAL EQUIPMENT CO., LTD. 宁波苹果音响器材有限公司。
- A reverb unit simulates the sound of different acoustical areas. 混响单元是模拟不同声学空间中的声音。
- Synchronized Acoustic Transmitter 同步声学发射机
- linear phased array acoustic transmitter 相控线阵声波辐射器
- Acoustical liberation of books in the public domain. 意思是公共领域书籍的听觉解放。
- How to examine acoustical immittance to measure listen to a result? 如何查看声导抗测听结果呢?
- An acoustical instrument consisting of a sounding box with one string and a movable bridge, used to study musical tones. 测弦器一种由一个带有一根弦和可移动琴马的共鸣箱组成的不用电传音的乐器,用于细察音调
- Design of Arc Phase Array Acoustic Transmitter Based on CPLD 基于CPLD的声波相控圆弧阵控制逻辑设计
- Specifically, snow tends to absorb higher frequency acoustical waves. 很特别的是,雪花趋向吸收更高频率的声波。
- Ecadi propose to have acoustical material under each VAV unit, O OK. 建议在所有的变风量(VAV)机组下都安置隔音材料,O同意。
- The conclusion of the research can shed light on the infrared transmittivity experiments of CVD diamond thick films in future. 所取得的结论对金刚石厚膜红外窗口的实际应用具有重要参考价值。
- Increasing the number of periods, the transmittivity is reduced and the reflective spectrum is flatter near the reflective wavelength. 随着光栅周期数的不断增多,其在反射波长处的透射率不断减小,谱线趋于平坦;
- Chlamydia trachomatis(CT) is one of the main pathogens of sexually transmitt ed diseases (STD). 沙眼衣原体是性传播疾病的主要病原之一。
- 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。