flapping frequency

常見例句

Is every bird flapping its wings at the exact same frequency?
每只鳥會以同樣的頻率扇動(dòng)翅膀嗎？
blog.sina.com.cn
High speed digite vedio and image processing were used to analyze the effects of the non-dimensional velocity and the flag aspect on its kinematics, flapping frequency and amplitude.
利用高速攝影和圖像處理技術(shù)分析了來流速度和展長比對旗幟運(yùn)動(dòng)學(xué)特征（頻率和振幅）的影響規(guī)律；
sylx.ustc.edu.cn
Therefore, the main characteristics of this system is a high accuracy, breadth to adjust soon scope, high just a restrict for, and system accuracy primarily suffering construction flapping frequency.
可見，本系統(tǒng)的主要特點(diǎn)是高精度、寬調(diào)速范圍、高剛度，而且系統(tǒng)精度主要受結(jié)構(gòu)諧振頻率的限制。