查询词典 parent

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。

Prom the differences among these hybrids, the basic genetic parameters of quatitative characters were estimated for the two parent's population apart.

优良自交系亚总体各性状的遗传方差则普遍减小，说明其遗传基础更为狭窄。所以，为了不断地育出更好的自交系间杂种，迫切需要补充新的基因源。

In Chapter 4,The convergence of two forms of genetic algorithms base donthe feature of the non-formal selection strategies is proved including themodel of genetic algorithms under the population fitness constraints and somehigher fitness individuals in parent population participating in the comp-etition.

第四章以非形式化选择为特点，给出遗传算法的种群适应值约束下算法模型与父代种群前若干适应值高的个体参与竞争下遗传算法的收敛性。

Analyzed the hereditary variation distribution of amylose content in DH population, estimated hereditary capacity and rate over parent in DH population by the model and formul which were presented by Choo and Reibergs, and examined the number of gene pairs and the pattern of gene interaction which controlled these characters.

应用Choo和Reibergs提出的模型及公式，分析了这6个DH群体AC的分布、测算了遗传力、超亲率，检测了AC的基因对数及基因互作方式。

There are some characteristics for reliability growth test evaluation of liquid rocket engine, such as its field test data is small sample, there are multi-kind stresses act on the system during accelerated life test, its life test data belongs to a dynamic parent population.

液体火箭发动机可靠性增长试验的特点有：系统现场试验为小子样、加速寿命试验中存在多种应力综合作用、可靠性增长试验数据属于动态统计母体。

稀有物种,生境损失和灭绝(V1) Founder effect 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.

Genetic bottleneck 建立者效应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。

Methods Microsatellite markers of mice and rat were adopted to develop markers and methods suitable for genetic monitoring for SPF golden hamster population and its parent conventional population from Chengdu Institute of Biological Products by fluorescence-based semi-automated genotyping method. Genetic diversity and differences of the 2 golden hamster populations were analyzed based on the result of microsatellite alleles.

应用小鼠和大鼠的微卫星标记筛选适于金黄地鼠遗传检测的微卫星标记，并结合微卫星荧光标记－半自动基因分型技术，对成都生物制品研究所的SPF级金黄地鼠及其来源的普通级金黄地鼠进行遗传检测，计算其群体遗传学参数。

Along with the variety of altitude, the mountainous climate、vegetation、biology、parent population etc also have regular varieties, So the mountain soils represent distinct vertical variations on the vertical zone, and that engender many type of soils.

垂直地带是山地所特有的自然现象，随着海拔高度的变化，山地气候、植被、生物、成土母质等自然要素也发生着规律性变化，因此，山地土壤在垂直带上表现出明显的分异规律，形成多种土壤类型。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。