查询词典 genetic disease

The research advances in genetic relationships of peach germplasm, including the morphologic, cytology, palynology, biochemistry and DNA molecular markers, were reviewed in this paper. The actuality, prospect and urgent problems of peach germplasm resources were also discussed. To further study the genetic relationships of wildness, sib wildness and cultivar groups of peach, we may resort on genetic markers and DNA sequence analysis in addition to morphological characters.

本文从形态学、细胞学、孢粉学、生物化学及DNA分子标记等几个方面综述了桃种质资源亲缘关系的研究进展，探讨了桃种质资源亲缘关系的研究现状、前景及尚需解决的问题，并就进一步开展桃种质资源亲缘关系的研究进行了分析，提出桃种质野生种、近缘野生种厦不同栽培品种群间的分子系统学关系是今后研究的重点。

Based on simulation and thorough research of the muti-effect evaporative system, a process of paratactic combination evaporation is added to this system and Genetic Algorithms is used for optimization. In this thesis, Simple Genetic Algorithms and Modified Genetic Algorithms are used to optimize the pressures in evaporators.

在模拟的基础上，通过对齐鲁石化氯碱厂蒸发系统进行深入研究后，本文将并列组合式热泵蒸发工艺应用到该系统中，并运用简单遗传算法和改进的遗传算法对改进后蒸发系统的压力进行了优化，优化的结果显示生蒸汽用量分别减少14.8％和18.5％。

Genetic diversity analysis within and between the green peafowl and the blue peafowl populations demonstrated that the expected heterozygosity of two peafowl populations were 0.2482 and 0.2744, respectively. The inbreeding index, Reynolds' genetic distance and gene flow between the two populations were 0.078, 0.0603 and 3.896 respectively. These results indicate that the heterozygosity and the genetic diversity of these two peafowl populations were very low, and suggest a tendency towards intermixing.

蓝孔雀和绿孔雀群体间和群体内的遗传分析结果表明，绿孔雀和蓝孔雀两个群体的期望杂合度分别为0.7422和0.6943，群体间的遗传分化系数为0.078， Reynolds'遗传距离和基因流分别为0.0603和3.896，结果显示这两个孔雀群体的杂合度和遗传多样性水平都很低，且有相互混杂的趋势。

To analyze quantitatively the performances of genetic algorithms used in aerodynamic optimization design and the effects of the skills introduced, the numerical test planform for genetic optimization models is set up on Microsoft Fortran Powerstation. As applications, several aerodynamic optimization designs for airfoil, wing and aircraft are carried out to testify the adaptation of genetic optimization models.

建立了以Fortran Powerstation 4.0为开发环境的各种遗传优化模型的数值试验平台，对各遗传算法、改进技术及其优化模型的性能（优化质量和优化效率、可操作性）进行定量分析，并在此基础上建立了翼型、机翼和全机的优化设计软件系统。

This article in by has in the foundation which the method studies, is easy in view of the standard genetic algorithms in the solution Vehicle Routing Problems to appear precociously, is easy to fall into the partial optimal solution shortcoming, makes the improvement to the traditional genetic algorithms, proposed the multi- populations genetic algorithms.

本文在已有方法研究的基础上，针对标准遗传算法在解决车辆路径问题上容易出现早熟，容易陷入局部最优解的缺点，对传统的遗传算法进行改进，提出了多种群遗传算法（Multiple_population Genetic Algorithms）。

Finally, base on research of genetic algorithm and rough sets, analysis of the existing primary algorithm of attribute reduction based on the traditonal genetic algorithm, an improved algorithm of rough set attribute reduction base on dependability and genetic algorithm is presented in this paper.

最后，对遗传算法和粗糙集理论研究的基础上，通过分析现有的约简算法，提出一种基于依赖度的属性约简改进算法，改进后的算法可以求取属性的一个约简。

Quantum parallelism of genetic algorithms, and not caught early, which is the genetic algorithm in a relatively new area, The compressed bundle contains a number of outstanding Quantum Genetic Algorithm some excellent articles.

量子遗传算法并行性好，不易陷入早熟，是目前在遗传算法方面一个比较新研究，该压缩包里包含了大量了一些优秀的量子遗传算法的一些优秀文章。

Genetic algorithm is a random search and optimization method based on natural selection and genetic mechanism of the living beings. The combination of genetic algorithm and logistics system has good practicability and extensive application prospect.

遗传算法是一种基于生物自然选择与遗传机理的随机搜索与优化的方法，与物流系统的结合具有良好的实用性和广泛的应用前景。

Reimplantation genetic diagnosis is an evolving technique that have been developed to detect the embryo of genetic diseases or chromosome abnormalities before a pregnancy is established, to avoid the risk of termination of pregnancy for couples who are at substantial risk of transmitting a serious genetic disorder to their offspring.

GD是在胚胎着床之前即对其遗传物质进行分析、诊断胚胎是否有遗传物质异常的诊断方法，并能避免终止异常妊娠给患者带来的身心痛苦。

The results showed that the average heterozygosity was higher in 9 populations,the lowest is Jinding, the highest is San sheldrake, which ranged from 0.5137~0.6055. The average heterozygosity of 9 duck populations was 0.5523, which reflected the rich diversity. Considerable breed differentiation was observed and 25.65% of the total genetic variation came from breed differences, this result affirmed each breed was of own genetic diversity. The DA genetic distances suggested the longer differentiation existed between those breeds. The domestic duck breeds in East China were clustered into four groups based on the NJ clustering, the clustering results had some relationship with the distributions and economic utilizations of these duck breeds.

结果表明：9个品种的平均杂合度都较高，最低的为金定鸭，最高的为山麻鸭，杂合度范围为0.5137～0.6055，群体平均杂合度为0.5523，反映了各鸭种的杂合度都较高，遗传多样性丰富；华东区各鸭种间存在较大的遗传分化，25.65%的遗传变异来源于品种间的差异，更进一步反映了各品种具有本品种特征特性的多样性；通过计算DA遗传距离发现各群体的遗传距离较远，分化时间较长；NJ聚类结果将华东区家鸭资源聚为4类，NJ的聚类结果分析与几个鸭品种的地域分布和经济用途有一定关系。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。