查询词典 cluster

With replacing the chain by equivalent sphere,a cluster is simplified to a planar array,and this planar array is simplified to a chain,then the dipole moment is obtained.

在这一过程中，通过不断增加等效球的尺寸，将颗粒间的相互作用包含在簇的偶极矩中。

In order to overcome the limitation, by using the character of in size order for continuous attributes and error theory of statistics, this paper proposes an algorithm of discretization based on cluster.

文中针对这一缺陷，利用连续数值属性有序性的性质和统计方差理论，提出了一种基于聚类的连续属性离散化算法。

A cluster of seven stars in the constellation Ursa Major, four forming the bowl and three the handle of a dipper-shaped configuration.Also called Charles's Wain, Plow

北斗七星：大熊星座的七颗星组，其中四颗形成长柄勺状结构的勺斗部分，另三颗形成其勺柄部分也作 Charles's Wain， Plow

Aiming at the problems of over-fitting and generalization for neural networks, the locally most entropic colored Gaussian joint input-output probability density function estimate is studied, and a new method by means of Chebyshev inequality is proposed to self-revise respectively according to every cluster.

针对神经网络的过拟合和泛化能力差的问题，研究了样本数据的输入输出混合概率密度函数的局部最大熵密度估计，提出了运用Chebyshev不等式的样本参数按类分批自校正方法，以此估计拉伸样本集，得到新的随机扩充训练集。

Given a finite training sample set, according to the proposal of establishing a Local Most Entropy probability density function to estimate the number of cluster a method for estimating 〓 is proposed, where a complicated method based on Maximum Likelihood Cross-Validation is replaced by Chebyshev inequality.

为改善BP算法的收敛速度慢、易陷入局部最小的问题，提出了带一类非线性特性动量项的变步长BP算法，构造了一个能自适应升降温的动量项非线性强度函数，在编程中又采用了有条件引入非线性特性动量项的措施，大大提高了搜索过程跳出局部极小、快速稳定收敛的能力。

In this study, we have explored the regulatory function of SATBl toβ-globin gene cluster at chromatin level.

我们的研究就要探讨SATB1在染色质水平上是如何调控β珠蛋白基因的表达的。

At first, this age-dating approach was used to estimate the age of G-dwarf stars with Th/Nd chronometry. Recently, it has been used to evaluate the age of halo field stars and globular cluster stars with the Th/Eu and U/Th chronometers.

这种方法最初是利用元素对 Th/Nd 来确定 G 矮星的年龄，近年来开始利用元素对 Th/Eu 和 U/Th 来确定晕族场星和球状星团内恒星的年龄。

If no one appreciates, the singing of the crow also similar to the skylark;Nightingale if miscellaneous sing in the cluster the goose of boisterous and clamorously in daytime, the somebody else will never think it sings than the wren more beautiful.

18-10、如果没有人欣赏，乌鸦的歌声也就和云雀一样；要是夜莺在白天杂在群鹅的聒噪里歌唱，人家决不以为它比鹪鹩唱得更美。

The class number k is one of the key factors to influence cluster quality in K-means algorithm.

在K-means算法中，聚类数k是影响聚类质量的关键因素之一。

On the Greek island of Santorini, a cluster of private homes rests along the 300-year-old cliffside ruins of an indigenous community.

在希腊桑托里尼岛的这个度假胜地，除了浑然天成的无敌美景以及优闲舒适的度假环境外，佩里沃拉酒店另一个让人流连忘返的地方是位于悬崖边的游泳池。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。