人工选择
- artificial selection
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影响水稻株高和剑叶宽主效QTL对人工选择的响应
Response of Main-Effect QTL for Plant Height and Flag Leaf Width to Artificial Selection in Rice
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为了给身处普适环境的用户提供无缝的主动服务,对服务匹配成功后所列出的符合描述的服务,本文摒弃了传统的人工选择方法,而是结合服务的QoS属性,根据QoS选择最优服务。
To provide seamless active service to users and service that match the descriptions after service matchmaking , this paper abandons the traditional method of artificial selection and chooses the best services according to QoS , with a combination of service QoS attributes .
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并针对人工选择的低效性,提出了自动搜索最优LS-SVM参数的方法。
Considering the inefficiency of manual selection , a solution to search optimal parameters in LS-SVM automatically was proposed .
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其原因可能在于:数量性状是人工选择的目标,RAPD是基因组随机序列的扩增,二者之间的相关与引物选择有关。
The reason for the results may be that the genes concerned for quantitative traits are selected directly , while the genes involved in RAPD analysis are only random samples of the whole genomes .
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经分析,6个被测SNPs均在Fst和杂合度构建的联合分布曲线的95%置信区间内,暗示它们可能并未受到自然或人工选择的作用。
All the six SNPs lie in the 95 % confidence region of the conditional joint distribution of FST and mean heterozygosity , that suggested these SNPs were not selected by nature or mankind .
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这些结果表明糯玉米在遗传改良过程中经历了瓶颈效应,加之人工选择,一起造成wx基因多态性的丢失。
The results indicate that Chinese waxy maize experienced a genetic bottleneck during its improvement , and improvement selection combined with a demographic effect should have contributed to the loss of genetic diversity on wx gene .
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人工选择耗散法抑制数值振荡
The suppression of numerical oscillations using the artificial selective damping terms
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人类基因人工选择技术的应用价值与伦理反思
Value and Ethical Reflection of Human Genome Selection Technology
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他们开始了如今被叫作“人工选择”的那个勾当。
They began what is now called'artificial selection ' .
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林业农场主们也从未将林木置于人工选择和培养的过程之中。
Tree farmers have never subjected trees to the process of selection and breeding .
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那是自然的,是野生的,并非几代的人工选择的产品。
They were natural and wild , not the product of generations of artificial selection .
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在宏观结构层级上演化动力则是人工选择机制&竞争与合作。
And in Macro level , the evolutionary dynamic is mainly artificial selection : competition and cooperation .
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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。
But it is eliminated as a trait bad for harvest in the artificial selection and seed selection .
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现代犬种是一个独特的种群结构的一部分,是经过多年人工选择育成的。
Modern dog breeds are part of a unique population structure , having been selectively bred for many years .
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在此基础上,人工选择出3个特征参数作为进行病变与正常、斑疹病与角斑病模式识别的特征矢量。
Four feature parameters were selected as vector parameter of pattern recognition for recognizing disease leaves and normal leaves .
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从而将微机引入到电力线载波设备中,把各种监控功能全部集中在整机的面板上,由定时自动启动或人工选择不同的按键,来实现多种监控的目的。
Facilities for various monitoring functions are concentrated on the front panel and could be started automatically or manually .
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高亲和性的群体在经过3代无人工选择压力后仍可保持90%以上的发病率。
Incidence of the high affinity transmitter could keep about 90.0 % although without artificial selecting pressure for three generations .
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桂花在长期的演化过程中,在自然选择和人工选择的双重作用下,形成了丰富的变异类型。
During the long time of evolution , it comes out abundant variation types under influences of natural and artifical selects .
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长期人工选择对群体遗传结构的影响&一项计算机模拟研究Ⅰ.模拟模型与长期选择反应
Effects of Longterm Selection on the Genetic Structure of Populations & A Simulation Study ⅰ . Simulation Models and Selection Responses
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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。
This is the result of artificial selection , population genetic variation caused by which always develop to the benefit of mankind .
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中国蒙古马在过去没有出现群体扩张或持续增长模式,群体大小保持稳定,受到了人工选择的多重瓶颈效应。
The size of Chinese Mongolian horse population kept stable and kinds of horses did not undergo expansions or lasting increase pattern .
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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。
Although it was gone through evolution by artificial selection and natural selection , Allium tuberosum kept little differentiation from Allium ramosum .
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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。
The grain and rice quality characters are relatively disperse , because of the synthetic functionary results between ecological domestication and artificial selection .
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翻译成中文的大致意思是:如果其他方法都不成功,排名演算法没能达到信心门槛的话,我们就返回人工选择的搜索结果。
When all else fails , and the ranking algorithms do not pass the confidence threshold , we fall back to delivering handcrafted results .
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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。
The new algorithm can get rid of the problem caused by artificial selection . Simulation results show that the proposed method is feasible .
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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。
In order to strengthen artificial selection and to increase grain yield , the roles of root signals in wheat crops should be reduced .
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人工选择新的服务器可以确保您的所有人物都能准确的重新定位到新的服务器上。
Manually selecting a realm during the selection period will ensure that all characters from a single account on the affected realm will relocate together .
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本次将计算过程在可视化环境下实现,根据异常实际情况人工选择窗口的大小和位置,提高了深度计算的精度。
In this paper , the authors have developed a visualized and high precision program that can select window and site and sliding step voluntarily .
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抗生素的广泛使用,导致出现了越来越多的抗药物细菌品系,这是一个尤为负面的“人工选择”所带来的结果。
A particularly detrimental effect is in the widespread use of antibiotics leading to the development of more and more drug resistant strains of bacteria .
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实验结果表明,与人工选择训练样本相比,该方法有更高的图像分割精度和更快的分割速度。
The experiment turns out that this method has a higher accuracy and a faster speed of segmentation when compared with the selection of artificial training sample .