single-trait selection

Then build a model of single and three-phase hybrid distribution system based on MATLAB, and research the case of line selection and the method of fixing fault segment with DC signal and fault position with AC signal by simulation.

基于MATLAB搭建了单三相混合配电系统模型，对接地选线情况和直流定段、交流定点方法做仿真研究。

This article points out a method for the selection of polarographic base solution using orthogonal design experiment, when single factor changes.

本文提出了在单因素变化实验基础上，以正交设计实验确定极谱最佳底液体系的方法。

【 Objective 】 Single segment substitution lines ( SSSLs) each with only single chromosome segment from a donor under the same genetic background as the recipient were developed in rice by advanced backcrossing and molecular marker-assisted selection.

目的单片段代换系（SSSL）是通过高代回交和分子标记辅助选择构建的，只含有来自供体亲本的一个染色体片段，遗传背景与受体亲本相同的品系。

Welcome to the single best value and highest quality source for dental handpiece selection.

欢迎您到一个最佳值和最高质量的牙科手机选择来源。

The sequential controller, which has four operation modes such as single selection, odd number, even number, and all selection, can be used for single pulse CARS test, realizing time-resolved spectrum, reducing noise and improving signal-to-noise ratio of CARS system.

可以选择采集同步发射的激光信号。其有单选、奇数、偶数、全选四种工作模式，可应用于单脉冲CARS实验，实现时间分辨光谱，同时还可以降低噪音，提高信噪比。

Abstract Based on the practical example of port site selection at the branched channel of the mid& downstreams of the Yangtze River, the relationship between port site selection and waterway evolution of both single river section and branched channel are introduced.

结合长江中下游分汊河道港口选址实例，就单一河段和汊道二部分，论述港址选择与河道演变的关系。

The university of Chicago presents a grid resource selection algorithm, which supports both single resource and multiple resource selection.

芝加哥大学提出了一个网格资源选择算法，能够同时满足单一资源选择和多个资源选择的要求。

This paper analyzes the shape of the highway terminal service area influenced by rail transit, discusses the method for the service area determination and the influence on the terminals site-selection, the size, the design of single terminal exerted by the determination of the service area.

分析了轨道交通影响下公路客运枢纽服务区域的形态，提出了服务区域的确定方法，探讨了公路客运服务区域的确定对枢纽布局、规模和单体枢纽设计的影响。

A multi-objective clonal selection algorithm was proposed based on the clonal selection principle in the immune system. And we expand the application of clonal selection algorithm, which has been used in solving single objective optimization problems, to the solving of multi-objective optimization.

本文将已成功地应用于单目标优化问题的克隆选择算法扩展到多目标优化问题中，设计出了一种基于Pareto的多目标克隆选择算法。

A major implication of Darwin and Wallace's theory of natural selection is that all life forms, living and extinct, are descended from a single common ancestor.

达尔文和华莱士的物竞天择理论都蕴含一个主要的观点：即所有现存和已灭绝的生命形式都起源于同一个共同的祖先。