cavity volume造句

• Theory analysis of cavity volume audioexamination and experimental test
  空腔容积音频检测理论分析及实验验证
• Method for measurement of cavity volume fraction of superplastically deformed metallic materials
  超塑变形金属材料孔穴体积比值的测量方法
• Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow . the calculation method is adopted and the corresponded computer program is complied . the propeller - induced hull pressure fluctuation due to blade thickness , blade load , cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program
  目前，螺旋桨诱导的船体表面脉动压力的理论预报方法，大多是以无限流场中点脉动源诱导的周围流场的脉动压力的计算方法为基础的，本文采用该方法编制了计算程序，可以分别考虑桨叶厚度、桨叶负荷、桨叶上空泡厚度及其体积变化在船体表面指定位置上产生的脉动压力。
• We used the method of experiment to change the cavity volume of muffler to improve extinction character and resonance vibration of gas column and to reduce noise of compressor . and the method has characteristics of simple and high speed and reduce defects of common metheods . using four - load method to analyze mufflers , the dissertation designs new
  提出了对滚动转子压缩机消声器采用填充粘土实验试凑的方法改变消声器结构，进而改变压缩机消声器消声特性，降低压缩机排气噪声，该测试评价方法具有简易性和速度快的特点,减少了常用方法的缺陷。