selection methods的例句大全

Methods Based on data of census in 1990, samples were collected by cluster, stratification and random selection.

方法根据1990年人口普查资料，按整群、分层、随机原则在北京市城、郊区抽样。

The second, unscientific methods used in selection leading industry.

其次，选择主导产业的方法不尽科学。

The author to this system proposed three optimized strategies and the concrete project realization methods, they are manual selection control, automatic selection control and the override control system based on fuzzy PID controller.

笔者对该系统提出三种策略及其具体工程实现方法，分别是手动选择控制策略、自动选择控制策略和带模糊PID控制器的超驰控制策略。

Methods of selection of plus trees in olive tree improvement

油橄榄选优方法的研究

This method improves the traditional sphere decoding process of selection of the candidate node and the methods of the radius zoom in and out.

该算法是对传统球形译码检测过程中候选节点的取值顺序及半径缩放的方法进行改进，以此裁减掉一些节点，该方法的检测性能与传统球形检测相比无损失，而且能够大幅度降低计算量。

Change shape in space past the selection and processing methods, the practice of bold vision of space involved in the narrative.

在空间造型上改变了以往的选择和处理方法，大胆的实践空间参与叙事的设想。

Methods: The selection techniques of swim-up, Percoll density gradient centrifugation and doule-flection tube were used to observe sperm chromosome abnormality rate, sex chromosomal ratio and the percentage of spermatozoa with relatively intact head ultrastructure.

方法：分别应用上游法、Percoll密度梯度离心法及双曲管优选法处理精液，观察优选前后精子染色体畸变率、精子性染色体比例及超微结构相对正常的精子百分率。

On the Selection of Appraisal Methods to Evaluate Target Corporation Value

目标企业价值评估方法的选择

Monte Carlo simulations are conducted to study the presented MAS methods. The results indicate that such MAS can be more effective than selection based solely on phenotype in a large of situations.

对新提出的MAS方法进行了Monte Carlo模拟研究，结果表明，大多情况下，MAS均能比常规表现型选择获得较好的选择效果。

At the same time, using the main QTL molecular markers developed by us and China Agricultural University, Combining marker-assisted selection and conventional breeding, making use of the methods of hybrid-backcrossing then self-crossing, molecular marker breeding platform of corn Head Smut resistance will be build.

同时，利用与中国农业大学合作研究开发的主效QTL分子标记，将分子标记辅助选择与常规育种相结合，采用杂交-回交-自交的方法，建立玉米抗丝黑穗病分子标记育种平台。

In this study, the merits of filter and wrapper methods are combined to design two ensemble feature selection systems, which are based on a standard genetic algorithm ( GA) and a multi-objective GA, respectively.

本文集合filter方法，分别设计了基于标准遗传算法和多目标遗传算法的集成特征选择方法。

The right selection of independent cycle circuit in the calculation of Kirchhoff law is studied. Two methods, namely, the method of single chain cycle circuit and the method of plane net hole are given.

分析了两种选择独立回路的错误作法，给出了两种正确选择独立回路的方法，即单链回路法和平面网孔法。

At present, the main alteration information extraction techniques include principal component analysis, band ratios operation, etc. In fact, for these methods and selection of feature band, there is a certain blindness.

目前主要的蚀变信息提取技术主要有主成分分析，波段比值运算等，实际上，对于这些方法及特征波段选择，存在一定的盲目性。

The third part is the investigation of characteristic resource construction situation in the cultural information resources sharing project in the Midwest, which contains survey methods, survey design, sample selection, and the results of the survey.

第三部分：中西部地区文化信息资源共享工程中的特色资源建设现状调查。包括调查方法、调查设计与样本选取，以及调查结果。

Amplatzer septal occluder device selection by unconventional methods in transcatheter interventions

房间隔缺损封堵治疗中Amplatzer封堵器的非常规方法选择

With the powerful database support, through the data space analysis, buffer analysis and systematic analysis methods, the paper completed the location selection and the evaluation index of optimality of the quantitative index factor.

利用数据库空间分析、缓冲区分析以及系统分析方法完成了区位优度评价的指标选取和指标因素的定量化。

In this article, we did not only discuss the preparation and application of chemically modified electrode, and the principle and purpose of enzyme and photochemical biosensor, but also did a lot of research for the topics of electrode selection, test methods and other subjects.

本文在详细研究了化学修饰电极的制备、应用，酶以及光化学生物传感器的原理用途等的基础之上，针对电极的选择、测试方法的选定等方面进行了大量的研究。

The methods of quantitative selection of regional symbol tourism festival and demonstration research& a case of Hubei Province

区域标志性旅游节庆定量选择方法及实证研究&以湖北省为例

In this article, an athlete selection model is built based on the basic methods of extend science.

本文运用可拓学的基本方法，建立运动选材的模型。

Discussion of the Heredity Factors and Methods of Athlete Selection

试论运动选材的遗传因素与方法