偏斜分布

The new method makes use of truncated extreme value and classifying skewness to improve performance.

该方法通过极大值截尾和偏斜分类提高了的Alpha-stable分布极大值估计方法性能。

Social security tax pays for benefits for the retired, survivors, and disability insurance distribution provisions of FICA.

社会保障税支付退休福利、遗属、伤残保险条款分布偏斜。

Secondly, for the same hash function, the sample with the minimum hash value is selected as the global sample and the local samples are combined at the center node to filter out the biased effect of duplicated updates.

然后，对于相同散列函数产生的样本选取具有最小散列值的样本作为全局样本，完成局部样本集在中心节点的合并，滤除在分布节点上的重复更新对样本偏斜的影响。

Then the great loss risk of hedger is avoided. based on expected-variance optimal model,the optimal model is set up by using the skewness parameter.

通过偏度约束控制了当收益分布向右偏斜时的重大损失发生的概率，解决了套保者遭受重大损失的问题。

The probability of the great loss is controlled by the right deflection distributing of hedging returns. then the great loss risk of hedger is avoided.

通过偏度约束控制了当收益分布向右偏斜时的重大损失发生的概率，解决了套保者遭受重大损失的问题。

If a random variable X satisfies X^2stackrel{d}{=}Y^2, then X is said to have a generalized skew distribution of F.

若一随机变数X满足X^2stackrel{d}{=}Y^2，则X被称为一F之广义偏斜分布。

Since Azzalini (1985,1986) introduced the fundamental properties of the skew-normal distribution, there are many investigations about the skew distributions based on certain symmetric probability density functions.

自从Azzalini(1985，1986)提出关於偏斜常态分布的一些基本的性质开始，就有钗h基於某些常见对称分布的偏斜分布之研究出现。

On the basis of previously research, this paper re-probe into the mechanism of electro-chemist mechanical manufacturing process, making the rational technological parameter, and developing the manufacturing equipment. Through a lot of technology tests, get a lot of labratory data, accordingly, researched the surface feature of the electro-chemist manufacturing process, and deeply discussed its influence on the work piece feature. The last result is that: the electro-chemist mechanical manufacturing process can reduce the low-frequency component significantly, but on high-frequency component, it has little influence, having obviously positive pole flat effect. After manufacture, the tip parts on the surface of the work piece is cut off, there is micro "high land" shape, the parameter for surface roughness is reduced a lot, the surface outline of the work piece is negative, the bearing length rate is cliffy. Also the surface quality of the work piece is improved. This can help to avoid changing the shape, improve the feature of rub, gear and reduce the time to suit. This would also ensure the precision and result in a longer work piece life.

在以前研究的基础上，本论文重新探讨了电化学机械复合光整加工工艺的机理，确定了较合理的工艺参数，对电化学机械复合光整加工设备进行了改进，通过工艺实验广泛地搜集了大量实验数据，依据实验数据，多角度地研究了电化学机械复合光整加工的表面形貌特点，并且从理论上深入讨论了电化学机械复合光整加工表面形貌对工件工作性能的影响，最后得出的结论为：电化学机械复合光整加工对工件原始表面的低频成分有较大程度的降低，而对高频成分影响较小，有明显的阳极整平作用，被加工工件表面的尖峰状凸起被去除，工件表面呈现出微观&高原型&，表面轮廓不平度高度特性参数大幅度降低，工件表面轮廓分布集中，且呈负偏态，轮廓偏斜度为负值，轮廓支承长度率曲线陡峭，工件的表面质量得到综合改善，这对提高零件的抗接触变形能力、改善摩擦、磨损性能、降低工件的磨合时间、提高工件的精度保持性、延长工件的寿命均有利。

From FEM, the contact stress obeys the semi-ellipse distribution and the Mises stress and shear stress are also consistent with contact mechanics theory, but there exists offset or deflection in the symmetric lines of stress distribution, which originates from tooth bending deformation.

由有限元方法得到的渐开线轮齿的接触应力符合Hertz理论中的半椭圆分布规律，Mises应力和剪应力分布也符合接触力学理论，但应力分布的对称中心存在偏离或者偏斜现象，分析认为，是由于轮齿弯曲变形造成的。

These classes of the skew-symmetric distributions include the original symmetric distribution and have some properties like the original one and yet is skew.

这类偏斜-对称分布不仅包含原本的对称分布，往往也有一些与原本对称分布相同的性质。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。