查询词典 mutation

The splicing／decomposible encoding scheme proposed by Xu et al is applied to the construction of dynamic selection and mutation operators that were built respectively on the levels of genotype and phonotype of population.

简要介绍了徐宗本教授新近提出的可分解／可拼接遗传算法编码，并证明了一个利用对偶适应函数判定已知个体是否为相对全局最优解的判据。

Fodder beet is a mutation of beet planting specific(Beta vulgaris , Chenopodiaceae ),it has many characteristics such as weighty fleshy root、luxuriance phyllome、excellent quality of dainty and high biology production, so it is a high yield、all wool and a yard wide feed crop.

饲用甜菜是藜科甜菜属甜菜栽培种的一个变种，具有根体肥大，叶丛繁茂，适口性好，生物产量高等特点，是一种高产优质的饲料作物。

No mutation was detected in the skin and pleura samples of the patient.

突变发生在胚胎形成早期，临床表现可呈现多样性。

Point mutation and additional sequence insertion in introns might have given rise to new isoforms.

对比usf1和usf2的各个选择性剪接变体发现，二者的剪接模式都很保守，而新的变体是由点突变或内含子中额外序列的插入造成的。

Identification of an acquired JAK2 mutation in Polycythemia vera.

该突变与BCR/ABL阴性的MPD发病之间存在明显的关联。

The genetic basis for FAP lies primarily in the mutation of the adenomatous polyposis coli gene.

大部份的家族性大肠瘜肉症患者会有APC基因的突变。

On June 18, the FDA granted orphan drug designation to 1-deoxynojirimycin hydrochloride for the treatment of Pompe disease, an inherited lysosomal storage disorder caused by a mutation that alters the structure and stability of α-glucosidase, an enzyme responsible for the breakdown of glycogen.

6月18日，FDA批准孤儿药盐酸1-脱氧野尻霉素（Amicus Therapeutics， Inc）治疗蓬佩病。该疾病是一种遗传性溶体缺陷症，因突变导致破坏糖原的α糖苷酶的结构和稳定性改变。

Mutation rate is a fundamental parameter in models of population genetics and molecular evolution.

突变机率在族群遗传学以及分子演化的模型中是个基础的参数。

In the HGA , heuristic algorithm is used to produced initial population , self-adaptive parameter are used in copy operator, crossover operator and mutation operator .Simulated annealing algorithm is also cited ,and only some excellent chromosomes are operated by SA . In this way, HGA could improve its search ability at cost of a little more run time.

混合遗传算法在产生初始种群时引入启发式方法，采用自适应遗传参数和交替使用两种交叉算子；在搜索方式中加入模拟退火机制，采用只对部分优秀染色体进行退火操作的新策略，这样在保证增强寻优能力的情况下尽量减少运算量。

With multiple small Porgy wavelet transform procedures can be used to image recognition, signal mutation detection.

带有多种小波基的小波变换程序，可用于图象识别，信号突变检测。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。