dynamic frequency character 动态频率特性
frequency character test 频率特性试验
Space-frequency character 空频特性
torque frequency character 矩频特性
spatial frequency character 空间频率特性
amplitude-frequency character 幅频特征
discontinuous frequency character 间断频率特性
non-ideal frequency character 非理想频响特性
This paper presents systematic theoretical calculations and the experimental investigations of the doubling frequency character of the crystal KN grown in China.
本文首次对我国生长的铌酸钾晶体的光学倍频特性进行了系统的理论计算和实验研究。
The buried pipe transfer equation, the frequency character and the attenuation equation of the leak signal are studied.
研究了埋地管道泄漏信号波的传播方程，泄漏信号频率特性以及衰减方程。
The Results indicate that the horizontal response of pile to Rayleigh wave is affected by frequency, character of soil medium, pile-soil rigidity ratio.
结果表明，饱和土介质中桩对瑞利波的 横向 响应受波的频率、土介质性质、桩—土刚度比等因素的影响。
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