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1·Hot firings show that the frequency of the oscillating shock is close to the acoustic frequency.

热试结果表明，振荡激波的频率与声频相近。

2·In this paper two kinds of acoustic frequency technique which were applied in shipbuilding technology in shipyard are discussed.

本文讨论了两种已经在船厂船舶建造工艺上应用的声频技术。

3·The real arbitrary waveform generator that can generate single acoustic frequency signal modulated by Manning window and Gaussian window is developed.

成功地实现了汉宁窗、高斯窗调制的任意频率单音频信号的产生，达到了任意波形发生器的功能。

4·Mode conversion efficiency has been calculated as functions of acoustic frequency, interaction length, guiding layer thickness, and acoustic drive power density.

模式转换效率可化作声波频率、声光作用长度、波导厚度和声波功率密度的函数，并利用数值计算得出结果。

5·To prove the system can be used in underwater acoustooptic communications, with this system, the acoustic frequency and intensity of underwater sound source are detected.

为了证明系统能够应用于水下声光通信，进行了对水下声源发出的声波频率和强度的探测实验。

6·The following work has been done:(1) Analyzing the influence of acoustic frequency, acoustic pressure amplitude and initial bubble radius towards bubble dynamics respectively;

主要工作和结论为：（1）分析声场频率、声压和气泡初始半径对气泡动力学过程的影响。

7·The experimental results show that acoustic resistance of perforated plate is related to plate thickness, aperture diameter, numbers of aperture, acoustic frequency and airflow velocity.

研究表明：穿孔板的声阻与孔板厚度、孔径、穿孔数目、声波频率和气流速度等因素有关。

8·It does this by fitting small piezoelectric acoustic sensors to parts of the structure to detect the particular frequency of noise caused by a crack in aircraft-grade aluminium.

把小型压电声传感器安装到这种构造部位上，检测由航空级铝材裂纹所致的特定频率的噪音，靠这样就能监测飞机裂纹。

9·If a singer hits a pitch that matches the frequency of one glass, the glass might absorb so much acoustic energy that it will shatter; the other glasses remain unaffected.

如果一个歌手唱到一定的音高，那么与之频率相对应的酒杯就会共振，有时杯子吸收了太多的能量而碎掉，但是其他的杯子却安然无恙。

10·No organizations or individuals may use the same frequency or the same acoustic signals as those specially used by the State for civil air defense communications or air defense warning.

国家用于人民防空通信的专用频率和防空警报音响信号，任何组织或者个人不得占用、混同。

声频

1·In this paper two kinds of acoustic frequency technique which were applied in shipbuilding technology in shipyard are discussed.

本文讨论了两种已经在船厂船舶建造工艺上应用的声频技术。