二项式

And the suggestion value of left-turn modificatory coefficient is put forward.

拓宽车道宽度与饱和流量的实测数据进行回归分析，得出专用左转车道宽度与饱和流量的二项式关系模型，并依据此模型给出了宽度校正系数。

Not only protozoa as a whole but also each groupaverages as negative binomial distribution of coloniza-tion type in five sample plots,indicates that soilprotozoan number distribute as radom clumped structuretype in the coniferous-broad leaved mixed forest zoneof Changbai Mountain.

无论是原生动物整体，还是各类群，在五个样地中均为集群型的负二项式分布，说明在长白山针阔混交林带土壤原生动物数量分布为随机成群的结构方式。

Proceeds with the lecture of biostatistics, major focus will be on exercises of biological data management , descriptive statistics and all distributions (Normal, binomial, polynomial, Poisson, t, X, and F).

本实习依上课进度进行对数据整理，叙述统计及各项分布(常态，二项式，多项式，卜瓦松，t，X ，F分布)信赖区间，以生物数据实例进行练习。

In this article, the quantum properties of light field of the two identical two-level entangled atoms interacting with the binomial optical field were studied by means of time evolution operator and numerical calculations.

采用时间演化算符和数值计算方法，研究了两全同二能级纠缠原子与二项式光场相互作用过程中光场的量子特性。

Pascal's triangle shows the binomial coefficients.

巴斯卡的三角显示二项式系数。

The distribution pattern of ten Tsuga tchekiangensis populations in the Mang Mountain were analyzed by the variance/mean ratio method,and their aggregated intensities were were measured by using the following indices:negative binomial parameter,dispersal index,clumping index,crowing mean index and patchiness index.

采用方差/均值比率法对10个南方铁杉种群的分布格局类型进行了分析，同时，采用负二项式参数、扩散性指数、丛生指数、平均拥挤度指数和聚块性指数计测这些种群的空间聚集强度。

Perfect square trinomials are the quadratics that can be factored into two identical binomials.

于是，Perfect Square扩展到指可以分解成二项式的平方的三项式。

Then, forecasting return is accomplished. Because of being free of probability distribution suppositions for the sale quantity and the return quantity, such as the binomial distribution and the polynomial distribution, the model is more flexible compared to previous forecasting models.

该预测方法的突出特点是，无需像以往预测模型那样假定回收量和前期销售量符合特定的概率分布(例如多项式概率分布或二项式分布)，因此模型具有较强的通用性。

The parameters are :① reservoir effective thickness;② reservoir porosity;③ reservoir volume efficiency;④ fair pay ′ s reservoir volume efficiency;⑤ distance to the fault;⑥ reciprocal of the square root of the distance to the fault ）;⑦ apparent fold strength coefficient;⑧ maximum principal curvature of structural plane;⑨ transversal section line curvature;and ⑩ longitudinal section line curvature.

摘 要 介绍了气井产能的确定方法及地质参数的选择与计算方法：采用初始二项式无阻流量、稳定产量及初始采气指数作为气井产能评价的指标；10项参数分别是①储层有效厚度；②储层孔隙度；③储容系数；④好储层的储容系数；⑤与断层的距离；⑥与断层距离开方的倒数；⑦视褶皱强度系数；⑧构造面最大主曲率；⑨横向剖面线曲率；⑩纵向剖面线曲率。

And thus we ve worked out a new recursion formula of power sum problem ,using it ,we can get the calculationg formula of all the power sum problem .

本文利用二项式定理得到K =8，9，10 ，11时幂和∑ni=1ik 的计算公式，较文[1 ] 中结果表达式简单，并推出了关于幂和问题的一个新的递推公式，利用它可导出所有幂和问题的计算公式。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。