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.
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。
In the paper, Asymmetric quadric loss function is put forward under Normal assumption, adjustment parameter is defined, and its best value is calculated which minimizes the total quality lose.
本文讨论了在n维非对称的质量损失函数下，调整参数设计的可行性，求出了质量损失的最小解。
Well, that's because the wheel, well, there's an assumption which is that the wheel is rolling on something normal like a road, and not on, maybe, ice, or something like that.
因为这是一个车轮，有一个前提假设，就是这个车轮是在常规路面上滚动的，而不是在冰面上，或者类似地。
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