统计分析各优势组的节理间距，得出各优势组节理间距符合负指数分布。
The joint spacing of each set of joint is calculated and can be effectively fitted by negative exponential function.
叙述预测微通道板工作寿命试验过程，指出微通道板工作寿命曲线服从负指数分布。
A test for prediction of MCP life-time is described and it is pointed that the life-time curve of MCP depends on negative exponent distribution.
修理过程马上开始，经过一个负指数分布的修理时间后系统又重新进入正常工作状态。
A repair process then starts immediately, the system will back to the normal situation after a repair time which is exponentially distributed.
因此在JM模型的基础上，提出了排错时间为负指数分布的软件可靠性模型及本模型的极大似然参数估计方法。
Based on JM model, we propose a software reliability prediction model involving fault-remove time which followed exponential distribution.
因此在JM模型的基础上，提出了排错时间为负指数分布的软件可靠性模型及本模型的极大似然参数估计方法。
A software reliability model for substation automation system based on improved JM model is set up in this paper.
文中还给出了计算机程序框图，并将M_2模型模拟结果与据车头时距为负指数分布的M_1模型的模拟结果作了比较。
Then the simulation flow chart is given. A comparison between the simulation results based on M2 model and M1 model (exponential distribution model) is made.
利用条件矩的性质特征刻画伽玛分布，负二项分布，广义混合指数分布，广义混合几何分布。
By using conditional moments, the author characterized the Gamma, Negative Binomial, Generalized Mixed Exponential and Geometric distributions respectively.
利用条件矩的性质特征刻画伽玛分布，负二项分布，广义混合指数分布，广义混合几何分布。
By using conditional moments, the author characterized the Gamma, Negative Binomial, Generalized Mixed Exponential and Geometric distributions respectively.
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