一般的拟合优度检验方法只能用于分布完全已知的情况。
The common goodness-of-fit tests require continuous distributions with known parameters.
通过拟合优度和累积失效率曲线形态的对比，说明了威布尔分布用于曲轴失效数据分析的优越性。
By comparing their fitting compatibility and the cumulative failure probability curve, the advantage of the Weibull-distribution based regression is concluded.
依据实际测量数据，论证了平面交叉口绿灯转红灯时车流堵塞波的推进速度满足正态分布假设，其拟合优度高于泊松分布假设。
It is showed that a shock wave speed distribution in red light period at a plane intersection satisfies a normal assumption, as well as Poisson assumption.
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