Two dimensional fatigue loading under various working conditions is synthesized with weight coefficient method to obtain jointprobability density function under multiple working conditions.
对各工况下的二维疲劳载荷，采用权系数的方法，合成并获得了多工况下的二维载荷联合概率密度函数。
2
This method tries to integrate the jointprobability density function on the acceptability region directly.
该方法通过直接在可接受域上对性能的联合概率密度函数进行积分获得成品率的估计。
3
On the basis of field geology survey, the probability distribution function of joint aperture is fitted and the availability of the fitting is verified.