企业要保持健康，就必须进行主动性变异。
Enterprise must carry out active variation in order to keep their health.
毛竹林土壤养分的结构性变异大于随机变异。
The structure variance of soil nutrient is bigger than the random variance.
根据测得的数据，分析了木材生长轮材性变异规律。
Onthe basis of data obtained, we analyzed the variation of wood growth ring.
目的建立人类群体遗传空间结构异质性变异函数模型。
To establish a spatial semivariogram model of human population genetic structure.
随世代推进，基因加性变异在总遗传变异中的比重逐渐加大。
As the hybrid generation advanced, the ratio of additive variation to total genetic variation increasingly added.
NMU诱变也具有特异性，例如在早籼26后代中出现了糯性变异株系。
NMU has also peculiar quality , for example the glutinous variation appears in the later generation of Zaoxian 26.
目的探讨乳腺癌的线粒体基因D环区的体细胞性突变和多态性变异特征。
Objective To investigate the features of somatic mutations and polymorphisms of mitochondrial D loop regions in breast cancer.
语言变异最终会出现断裂性变异、进行中的变化、完成了的变化三种结果。
Language variation finally results in rupturing variation, underway transformation or finished transformation.
第三章阐述了作者对基于个体间相似性变异算子以及自适应演化算法的研究。
The third chapter presents our research on real-code adaptive mutation operator based on the similitude between individuals.
家畜遗传资源是家畜中存在的、被视为创造社会财富的原材料的遗传性变异。
As raw material to create social wealth, animal genetic resources are some genetic variations existing in animals.
不同激素配比的分化培养基在诱使再生植株染色体倍性变异方面存在着明显差异。
The differentiation media with different rates of growth regulators demonstrated distinct difference in inducing ploidy variation for regenerated plants.
在用横截面模型解释精确性变异的过程中，我们发现统计回归结果的解释力较弱。
In the course of using cross model to explain accuracy variation, we found that the explanation of regression result was poor.
随着新的RNA病毒的不断出现，人们对RNA病毒的适应性变异问题越来越关注。
As new RNA viruses and their new variants are found continually, more and more attention is being paid on the adaptive variants of RNA viruses.
评价者在纳入研究时越是提高方法学分界点，则纳入研究间的真实性变异程度就越小。
If reviewers raise the methodological cut-point for including studies, there will be less variation in validity among the included reports.
结论人类群体遗传空间结构异质性变异函数模型可以揭示人类群体遗传空间结构特征。
Conclusion spatial semivariogram models of human population genetic structure can effectively reveal the spatial structure of the population genetic structure.
组织培养中出现的多倍性细胞团和单倍性细胞，不会引起原二倍体物种的遗传性变异和性状变化。
The polyploidy cell masses and the haploidy cells appeared in the tissue cultures will not result in the hereditary variability and the changes of the character in the original diploid species.
EWG补充说暴露在PBA下还会导致遗传性变异，意味则各种基因的变异能够遗传到一下代身上。
The EWG added that exposure can also cause epigenetic changes, meaning alterations in the way genes switch off and on and genetic changes that can be passed on to the next generation.
适应性变异最初表现为小群人发病，一些证据显示人际传播，这或许可给世界一些时间采取防御行动。
Adaptive mutation, expressed initially as small clusters of human cases with some evidence of human-to-human transmission, would probably give the world some time to take defensive action.
研究结果初步揭示了ZYMV作为单链RNA病毒通过与寄主相互作用而表现寄主适应性变异的趋势。
Our results showed that the trend of ZYMV variation for its rapid adoption for fitness of the ecological condition, especially to host interaction by mutation of its genomic RNA.
遗传算法模仿达尔文的自然选择，其中“适应性”选择进行生存、繁殖以及由此而来的适应性变异的个体。
Genetic algorithms mimic Darwinian natural selection, where "fitness" selects individuals for survival, breeding, and, hence, adaptive mutation.
结合菌株传代稳定性试验，说明该菌株已发生了遗传性变异，是经太空诱变后所选育的泰乐菌素高产菌株。
By the experiment of genetics stability, it showed that genetic variation of the strain had already taken place. It was the highest strain of the tylosin of selective breeding after space mutagenesis.
FGFR2基因是唯一一个在不止一个病例中具有致病性变异的基因（两个胎儿具有骨骼发育异常的特点）。
The only gene with pathogenic variants in more than one case was FGFR2, seen in two fetuses with features suggestive of skeletal dysplasia.
提出了数组链染色体编码方式，以及基于自适应性变异概率和模拟退火惩罚函数法的适应性遗传算法（AGA）。
This paper proposes the array chain chromosome coding and the Adaptive GA (AGA) that combines the self-adaptive mutation probability and simulation anneal punishment function.
在这些多态性变异位点中，出现在遗传密码子第一和第二位上的碱基替换率分别为36.76%和35.29%。
Among the polymorphic sites, the nucleotide substitutions in the first and second positions of the codons accounted for 36.76% and 35.29%, respectively.
第二种机制是一个渐进的适应性变异过程，在这一过程中，伴随人类受到感染，病毒与人体细胞相结合的能力增加了。
The second mechanism is a more gradual process of adaptive mutation, whereby the capability of the virus to bind to human cells increases during subsequent infections of humans.
各区间的腐殖化系数并不随气候而呈规律性变异，而主要是环境因子综合作用的结果，特别是土壤性质有显著影响。
Humification coefficient did not changed proportionately with temperature and rainfall and was multiply influenced by environmental factors, especially soil properties.
通过花药培养获得的水稻植株中，具有丰富的倍性变异，通常需在成熟期基于形态特征识别单倍体、二倍体及多倍体。
Through rice anther culture several kinds of ploidy plants can be obtained, such as haploid, diploid, polyploid and usually based on the morphology to distinguish their ploidy during maturity.
这可以帮助我们弄清是否是遗传性变异促使某些人患这些疾病，还是环境因素通过改变DDAH活性来发挥它们的效应。
It could help us to establish if genetic variation predisposes certain people to these diseases, or whether environmental factors exert some of their effects through modulation of DDAH activity.
对黄瓜耐热性F_2代分离度的正态分布检验结果表明，黄瓜耐热性在F_2代分离群体中，呈现连续性变异而且符合正态分布。
The normal distribution test of cucumber F_2 generation heat tolerance shows that heat tolerance in cucumber F_2 generation present continuity variance and obey the normal school.
对黄瓜耐热性F_2代分离度的正态分布检验结果表明，黄瓜耐热性在F_2代分离群体中，呈现连续性变异而且符合正态分布。
The normal distribution test of cucumber F_2 generation heat tolerance shows that heat tolerance in cucumber F_2 generation present continuity variance and obey the normal school.
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