频率振动 meaning in English
frequency vibration
Examples
- ( 2 ) compared with one depth crack , with the first steps and the second steps natural frequency vibration , at 0 . 5 o ' clock of position , the natural frequency is smaller ; with the third steps and the fourth steps natural frequency vibration , comparing with the time of nearing 0 . 25 position , the natural frequency is smaller
( 2 )裂纹同一深度比,以第1阶和第2阶固有频率振动,位置比越靠近0 . 5时,固有频率越小;以第3阶和第4阶固有频率振动,位置比越靠近0 . 25时,固有频率越小。 - ( 2 ) the crack compares with one depth with the first steps and the second steps natural frequency vibration , crack position near crank arm and main shaft transition round natural frequency little place under crankshaft ; with the third steps and the fourth steps natural frequency vibration , the smaller close to the second crank arm of crankshaft and round place natural frequency of the main shaft transition the position is
( 2 )裂纹同一深度比以第1阶和第2阶固有频率振动,裂纹位置越靠近曲轴中间曲柄臂与主轴过渡圆处固有频率越小;以第3阶和第4阶固有频率振动,位置越靠近曲轴第二个曲柄臂与主轴过渡圆处固有频率越小。