文中导出了用初始裂纹长度的分布及马尔可夫转移概率密度函数计算给定时刻裂纹长度分布的积分公式。
The distribution function of crack length at given time can be calculated by integration of the initial crack length distribution and the transition function of Markoff process.
得到了振动系统的转移概率密度函数。
The transferab1e probability density function of the impact attenuation vibration system is deduced.
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