combined selection

Study on the principle and application of predicted combined selection index in animal breeding

畜禽预期综合选择指数制定原理及其应用研究

Study on the predicted phenotypic combined selection index of Lingshan Semi-wool sheep

凉山48-50支半细毛羊母羊预期表型值综合选择指数的研究

A Study on Combined Selection in Chinese Fir

杉木二层次联合选择的研究

Genetic Analysis and Combined Selection for Growth and Wood Quality of Open-pollinated

马尾松自由授粉家系生长和材质的遗传分析及联合选择

The Analytic Hierarchy Process on the Combined Selection of Chinese Fir Multicharacter

杉木多性状联合选择的层次分析

Weight minimization design of main girder of large pressing machine based on father-offspring combined selection GA

基于父子混合选择遗传算法的大型压力机主梁的最优设计

One-Parent Progeny Test and Combined Selection of the Second Generation Seed Orchard of Cunninghamia lanceolata

杉木第二代种子园单亲子代测定及联合选择

Study on Egg Production Heritability and Combined Selection Index for Forty-three Week-old Egg Number of Hebei Domestic Chicken

河北柴鸡43周龄产蛋量遗传力估计与合并选择指数制定

Effects of Ziwuliuzhu combined selection of the source point and the collateral point on athletic injuries and the state of channels

子午流注原络配穴法治疗运动性损伤及对经络状态的影响

Giving the selection rate as 4 / 100 , then the genetic gains for combined selection and family selection were 48.6 % and 21.8 % respectively .

在4/100选择率下相应的材积增益为48.6%和21.8%；

A Monte Carlo simulation and a selection experiment on the mouse were made to investigate direct-indirect combined selection methods and their relative merits .

本文通过MonteCarlo模拟和小白鼠选择两种方法探讨了直接、间接合并选择方法及其效果。

On one hand , purer stem cells could be obtained with combined selection than single positive selection since double selection could distinguish stem cells from their progenies .

双标复合分选策略可以区分干细胞和它的子代细胞，比单标阳性分选获得的干细胞纯度更高。

Under the selection rate of 30 % for family , the genetic gain for volume was estimated to be 3.1 % , with combined selection and 148 selected trees .

在30%的家系入选率下，配合选择的材积遗传增益为3.1%，入选优株148株；

Meanwhile , genetic gains of combined selection were estimated using 3 equations according to Hodge and White ( 1992 ), and Falconer ( 1989 ) .

用3个公式估算配合选择的遗传增益。

Under the condition of risk , the combined selection of individual 's number of years for education and occupation is an important model to realize the maximized effectiveness of individual educational investment .

在风险条件下，对个体受教育年限和职业的组合选择是实现个体教育投资效用最大化的重要模式。

Conclusion Ziwuliuzhu combined selection of the source point and the collateral point has good effect on pain and other clinical symptoms of athletic injuries , and makes channels of imbalance tend to balance or recover balance .

结论子午流注原络配穴针刺法对改善运动性损伤者的疼痛等临床症状有良好作用，可使失衡的经络趋于或恢复平衡。

The process of governance in the community to take " combined selection ", " proposed line is divided into " and so on , and learn from the experience of community committees under the workstation , and achieved fairly good results .

在社区治理过程中，采取选聘结合、议行分设等，并借鉴社区居委会下设工作站的经验，取得了比较好的效果。

A combined selection with seed source and individual trees was carried out , considering such characters as the tree height , diameter at breast high , bark thickness , bark roughness , color of bark powder , oiliness of the inner bark , and grinding easiness of the bark .

以树高、胸径、皮厚、树皮类型以及粉末颜色、油性、易磨性为主要选择性状，进行种源、单株二水平联合选择，提出了遗传改良的系统程序和方法。

A Combined Feature Selection Function for Text Classification

一种联合的文本分类特征抽取函数

The reason of difference is analyzed and a new method named Combined Feature Selection is put forward .

分析了产生差异的原因，并提出一种适合于中文环境的特征选取方法：组合特征选取方法。

PRN combined feature selection algorithm is proposed .

并提出改进的PRN组合特征选择算法。

Through transformation of the traditional school , modern schools combined the selection of scholars with selection of officials .

近代学堂取士仿中国传统学校例而加以变通，具有取士与取官混而为一的特点。

In this Paper , a new combined feature selection function that is based on the Mutual Information and χ ~ 2 is proposed .

本文针对χ2统计和互信息两种特征选择评估函数存在的不足展开研究，根据两者之间的互补性提出了一种联合的特征抽取评估函数。

Niche technology in retaining the best is combined in selection . It can retain the optimal solution , but also to ensure the diversity of groups .

在选择操作中结合最优保留原则，既保证群体的多样性，又防止丢失最优解。

In order to decrease the MI 's bias towards low frequency words , one combined feature selection is expounded , and is proved to be effective by experiment .

为消除MI对低频词的倚重，提出一种DF与MI结合的特征评价函数，并验证了这种组合特征选择方法的有效性。

First , we will make use of the combined feature selection method ~ ( [ 1 ] ) to remove noisy features from the original feature space and extract candidate features .

该方法首先利用组合特征抽取[1]的方法去除原始特征空间中的噪音，从中抽取出候选特征。

In the study of antenna selection , the paper combined antenna selection with multi-user precoding , and improved the sum capacity of the system by two classical antenna selection algorithms .

最后，将用户天线选择技术与多用户预编码结合，通过两种经典的天线选择算法，探讨了天线选择联合预编码技术对提高系统和容量的作用。

At low and medium heritability phenotypic selection was inferior to combined index selection , only when heritability was high phenotypic selection was as efficient as or more efficient than combined index selection .

在群体遗传多样性和育种总投资相同的前提下，当遗传力较低或中等时，非限制性联合指数选择明显优于表型选择；

Having combined discrete selection model and improved Fisher discrimination , this model can successfully search the best variable combination to separate developing and non-developing units , and automatically give the parameter value of model .

本模型结合离散选择模型，通过对Fisher判别方法进行改进，可以成功搜索最佳分隔单元发展和不发展的变量组合，自动确定模型参数值。

On the basis of the research of RBF neural network for time series prediction and PRN combined feature selection algorithm , the predicting model of multifactor time series based on PRN combined feature selection algorithm is established .

在研究RBF神经网络时间序列预测和PRN组合特征选择算法基础上，建立了基于PRN组合特征选择算法的多因素时间序列预测模型。