In the recurrent population, the resistance level and occurrence rate of scab-resistant plants could be improved by artificial selection. Study of Improvement and Genetic Diversity of Soybean Male Sterile ( ms_1) Recurrent Selection Population

While based on the evolution of three subsystems, specialized market fulfils co-evolution under the coupling self-stabilizing mechanism of subsystems and the self-optimizing mechanism of 'artificial selection' and 'natural selection'.

而专业市场以三大子系统的演化为基础，通过子系统耦合的自稳定机制、人工选择与自然选择的自优化机制实现了协同演化。

互联网摘选

Rice evolution was slow at the begining of Neolithic age, but during the period from 6300 and 5500 BP, the evolution became fast, and the effective artificial selection was showed.

在该遗址的新石器时期早期，稻米的进化是缓慢的，在距今6300年至5500年之间，进化有一次飞跃，有意识的人工选择已产生效应。

互联网摘选

Poppy cultivation in China has a long history and vast territory, during the last years of the long years, through continuous natural and artificial selection, bred a number of different varieties.

中国粟的种植历史悠久、地域广阔，在近万年的漫长岁月里，经过不断地自然和人工选择，还培育出了许多不同的品种。

互联网摘选

Recent advances in genetic breeding of Agaricus bisporus involving artificial selection, cross breeding, protoplast fusion and gene engineering have been summarized, and the future prospects discussed.

综述了人工选择育种、杂交育种、原生质体融合育种和基因工程育种等双孢蘑菇遗传育种研究的现状及进展，并展望了上述研究领域的发展趋势。

互联网摘选

The advantages of the algorithm include the freedom from data smoothing, make data smoothing and artificial selection of original data unnecessary, and exerting no limit to the temperature variation.

该算法的优点是无需对原始数据进行平滑处理、不限定样品的温升规律，同时也无需人为地截取实验数据。

互联网摘选

Artificial selection, at the heart of breeding for desirable traits in domesticated animals, has yielded rapid change in a short span of canine history.

在育种中心对家养动物进行人工选择可以得到具有理想的外表特征的动物，在狗类短短的历史中，近期这样的动物数量迅速增加。

互联网摘选

The results also showed that there was a trend that Genetic dispersion became smaller while Gst became bigger in the evolvement procedure, affected by environment and artificial selection.

研究结果还表明，牵牛花受环境和人为选择的影响，在演化的过程中，有遗传离散度变低而遗传分化系数变大的趋势。

互联网摘选

Although it was gone through evolution by artificial selection and natural selection, Allium tuberosum kept little differentiation from Allium ramosum.

虽然韭经历了长期的人工选择和自然选择，但与野韭的分化仍然较小。

互联网摘选

Due to the double effects of natural and artificial selection, the rule of crop is special compared with the natural one in the natural one in the niche construction.

作物的传统品种与新品种相比，具有较强的进化惯量与较弱的进化动量；在自然选择与人工选择双重作用下，作物生态位的构建机制有其特殊性。

互联网摘选

According to the resource allocation theory, artificial selection, the direction of selection and the degree of selection can all affect the behavioral strategies of animals.

根据资源分配理论，人工的选育及其选育方向和程度都会导致动物的行为策略产生变化。

互联网摘选

The grain and rice quality characters are relatively disperse, because of the synthetic functionary results between ecological domestication and artificial selection.

籽粒和米质性状则相对分散，它是生态驯化和人工选择综合作用的结果。

互联网摘选

Using or creating variation, and fixing down the favorable genes through the artificial selection, may realize the breeding of the new varieties.

利用或创造变异，通过人工定向选择将有利的变异固定下来，可实现新品种的培育。

互联网摘选

In order to strengthen artificial selection and to increase grain yield, the roles of root signals in wheat crops should be reduced.

在作物生产中，作物水环境得到了改善，强大的多年生竞争者基本消失，为强化人工选择力度，提高作物产量，麦类作物的根信号作用应当有所消弱。

互联网摘选

But it is eliminated as a trait bad for harvest in the artificial selection and seed selection.

但是，在长期的人工选择和品种选育过程中，芒作为一个对收割不利的性状逐渐被淘汰。

互联网摘选

Response of Main-Effect QTL for Plant Height and Flag Leaf Width to Artificial Selection in Rice

影响水稻株高和剑叶宽主效QTL对人工选择的响应

互联网摘选

This is the result of artificial selection, population genetic variation caused by which always develop to the benefit of mankind.

这是人工选择的结果，由选择造成的种群遗传性变异，总是朝着对人类需要有利的方向发展的。

互联网摘选

There were significant genetic differences between different varieties for plant height evenness, which can be improved by artificial selection.

结果表明：整齐度系数在不同品种（系）间存在着极显著差异，杂交选择可有效提高品种的株高整齐度。

互联网摘选

The new algorithm can get rid of the problem caused by artificial selection. Simulation results show that the proposed method is feasible.

改进后的算法可以摆脱人工选择的困扰，仿真结果表明，我们提出的方法是可行的。

互联网摘选

The genetic structure has changed due to artificial selection and genetic differentiation index indicated slight differentiation among them.

由于人工定向选择，它们的遗传结构已经起了一定的变化，分化系数表明它们之间已经产生了分化。

互联网摘选

The effect of artificial selection and natural selection on the origin and evolution of the characters was also discussed.

对人为选择和自然选择在部分性状的起源与演化中的作用进行了探讨。

互联网摘选