Analysis shows that, when the outside diameter of the joint is small, the variation of the outside diameter will change the sin critical buckling load.
分析指出,当接头外径较小时,外径的变化将改变正弦屈曲临界力。
2
Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.
联合时频分布方法把整体频谱推广到局部频率,根据频率随着时间的变化情况,对信号进行有效的分析。
3
The variation of WUE was resulted from the joint effects of photosynthesis and transpiration.