查询词典 parent-child

This term describes the establishment of a new population by one or a few individual, resulting in low levels of genetic variation and often a disproportionate number of alleles that are rate in the parent population.

建立者效应描述由一个或几个个体建立新种群，导致低水平的遗传变异和在亲本种群中稀少的等位基因的经常不成比例的数量。

However, there is no residual influence on this probability from the frequency distribution of alleles in the grandparent, or any earlier, population--only that of the parent population.

然而，祖父母或更早期祖先的等位基因频率的分布，对这种平衡被扰乱的概率没有残余影响；只有父母的群体对这种概率有影响。

Therefore, to the subsample's observation of continuous random parent population, if its material function can not be gotten easily the presented method can be used to approximate its distribution function, and.

因此对连续型随机样本母体中的简单随机子样的观察值，在不易得到其具体分布的情况下，可用此方法来近似求出其分布函数并可达到很好的逼近效果。

Therefore, to the subsample's observation of continuous random parent population, if its material function can not be gotten easily,the presented method can be used to approximate its distribution function,and good approximation effect can be achieved.

因此对连续型随机样本母体中的简单随机子样的观察值，在不易得到其具体分布的情况下，可用此方法来近似求出其分布函数并可达到很好的逼近效果。

Objective To detect and evaluate the genetic diversity and differences between SPF golden hamster population and its parent conventional population, and provide useful information and references for quality control of SPF golden hamsters.

目的 检测和评估金黄地鼠封闭群SPF化后的遗传学变化，为SPF金黄地鼠遗传质量的控制提供技术资料。

Therefore, to subsample"s observation of continuous random sample parent population, if we can"t get its material function easily, or we dont know its density function, we can use this way to approximate its distribution function. And these methods can achieve good approximation effect.

对连续型随机样本母体中的简单随机子样的观察值，在不易得到其具体分布或不知道其密度函数的情况下，可用此方法来近似求出其分布函数并可达到很好的逼近效果。

To the establishment of prior distribution in RGTE, considering that reliability growth test data belongs to a dynamic parent population, and based on the stage reliability growth test data, the dynamic modeling methods for prior distribution establishment are studied.

在可靠性增长试验评定先验分布的确定方面，针对可靠性增长试验数据的动态统计母体特点，基于阶段可靠性增长试验数据，对可靠性增长试验评定中先验分布确定的动态建模方法进行研究。

And use the award-winning teachers of teaching excellence awards between 2003 and 2007 held by Ministry of Education as parent population, and were implemented by 2-stage strata and cluster sampling survey with a total of 580 questionnaires distributed, and 353 valid questionnaires with a rate of return of 60.8%.

并以92至96学年度教育部所举办之教学卓越奖得奖教师为母群体，实施两阶段分层比例丛集抽样调查，共发放580份问卷，回收有效问卷共353份，有效回收率为60.8%。

Group contrast test ; sample variance ; parent population mean value ; fiducial interval ; freedom

成组对比试验；子样方差；母体平均值；置信区阀；自由度

Two reformative operations are introduced, including the parent population involving selection and optimal individual maintaining. The design of fitness function and the scheme of encoding and decoding of GA are discussed significantly.

最后，针对系统测试存在大量测试数据难以获取，系统长期连续运行性能难以评价的困难，提出了一个基于仿真的信息系统性能测试框架，利用该框架对集装箱堆场大门作业计划系统进行性能测试。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。