土壤特性的空间变异性是土壤重要的属性之一，其变异来源包括系统变异和随机变异两种。
Soil characteristics spatial variability is one of the important attributes of soil, and its sources of variation includes random variation and system variation.
我们不但能够理解现有的系统，同时也表明变异能够修补进化过程缺失的环节。
Not only do we have system we can understand here, but it shows us how evolution could have tinkered with variation.
但是因为这种病毒能够通过变异非常老练地逃过身体的免疫系统，每年都产生许多新的变种。
But because the virus is so adept at eluding the body's immune system via mutation, many new varieties crop up each year.
随着年龄的增长，久而久之，变异的数量逐渐超出了系统修复能力，线粒体开始出现故障进而停止运作。
Over time, as we age,the number of mutations begins to outstrip the system’s ability to makerepairs, and mitochondria start malfunctioning and dying.
这些病毒在变异的每个阶段都会遇到猪自身免疫系统的顽强抵抗。
At every stage, the virus would meet stiff resistance from the pigs' immune systems.
这种病毒中的蛋白质的变异有助于它逃过免疫系统的识别。
Changes in the viruses' proteins help it evade identification by the immune system.
遗传指令中新发现的氨基酸变异存在于染色体6的区域中，为HLA系统编码。
The genetic instructions for the newly found amino acid variants resides in a region of chromosome 6 that codes for the HLA system.
来自夏威夷大学的生物学家JonPuritz主导的一项研究表明，污水处理系统和受污染的河流排放的水会使得这种海星发生基因变异。
A study led by biologist Jon Puritz of the University of Hawaii found discharges from water treatment systems and contaminated rivers led to genetically different sea star populations of the species.
l在过程和步骤已经确定的给定系统中，一阶变化是个变异，它使系统本身相对的不变。
First-order change is a variation in the way processes and procedures have been done in a given system, leaving the system itself relatively unchanged.
有时它会被引用作为不同的分支、路径，或者变异性识别，在测试设计者识别各种方法的所有用例中，用户或者外部的系统都可以执行这个用例。
While it is variously referred to as branch, path, or variability identification, in all cases the test designer identifies the various ways the user or external system can execute the use case.
别的研究人员系统地对酵母菌的6,600种基因进行了诱变，并观察这些变异酵母菌在不同条件下的进展状况。
Other researchers have systematically mutated each of the 6,600 genes in yeast and observed how the mutant yeast fare under different conditions.
宾夕法尼亚大学的研究人员发现，有一些基因变异出现在与细胞排废系统有关的基因中。排废系统的作用可能是使‘粘附’蛋白质能够正常工作。
Other genetic changes pinpointed by the Pennsylvania team occurred in genes involved in a cellular waste system which probably ensures these "adhesion" proteins are kept in working order.
这些操作系统的特定版本能够被构建进现已存在的值中，或者您可以定义另一个被称作OSVersion的属性来捕获每一个操作系统的更多变异。
Specific versions of these operating systems could be built into the existing values, or you could define yet another attribute called OS version to capture more specific variations of each OS.
我听说自然界和人造自持续系统的每一个数据都显示系统自稳定变异率在百分之一到万分之一之间。
Every figure I've heard for both natural and artificial self-sustaining systems puts the self-stabilizing mutation rate between 1 percent and 0.01 percent.
Kumar参加了一个由多个医院协作的研究项目，旨在找出其答案。初步结果显示，病症的严重性与HLA(人白细胞抗原系统，一种免疫系统内的基因变异)有关。
Kumar is coordinating a multi-hospital study of severe H1N1 to find out, but says preliminary results suggest severity is linked to HLA, a genetic variation in immune systems.
部分原因是很多病毒发生变异，以至于每个人感染数以百万计的不同类型的病毒，每人对免疫系统有不同的反应。
Part of this is because the virus mutates so much that any one person is infected with millions of different versions, each one appearing different to the immune system.
格里姆对历史语言学的主要贡献是，他从音变-一系列音位有系统的变异-的角度解释了同源词之间的关系。
Grimm's major contribution to historical linguistics is his explanation of the relationships among cognates in terms of a sound shift, the systematic modification of a series of phonemes.
实验表明，基于该算法的聚类系统对于大量的变异短文本处理速度可以达到每小时百万级以上，并且有比较高的准确率。
Experiments show that the clustering system based on this algorithm can depose millions of abnormal short texts per hour with high accuracy.
系统采用混合工艺设计的方法，即综合运用典型、变异和交互式设计，以产品结构树的形式进行工艺管理。
A mixed way with type, variation and mutual has been adopted to design product in the system and the process is managed by the tree structure of product.
第一阶模态振型相对均值系统的变化很小。一般地，结构参数的随机变异对模态振型均值的影响大于对模态频率、模态阻尼比均值的影响。
In general, the variation of structure parameters has more effect on the mean values of mode than those of modal frequencies and modal damping ratios.
应用正交试验设计方法，系统分析了不同林龄、不同立地条件和不同林分密度下人工杉木林木材纤维形态的变异规律。
By using orthogonal design, this paper systematically analysed the variation law of fiber morphology of Chinese fir wood from plantations with different ages, densities and growing sites.
结果表明：变异函数对系统属性的空间异质性的定量揭示具有客观性和准确性。
The results indicate that the variation function has the objectivity and veracity in opening out the spatial heterogeneity of the system attribute by quantitive methods.
心率变异性已被用来评估激活交感神经和迷走神经系统。
Heart rate variability has been used to assess activation of the sympathetic and the parasympathetic nervous systems.
本文论述系统进化中变异与相似、相似与熵的关系。
The relationships between the variation and similarity and entropy are stu-died in the evolution of system.
如果那里看来是重大变异，请与购买联系个人计算机系统制造商或微处理器地方。
If there appears to be a significant variation, please contact the PC system manufacturer or microprocessor place of purchase.
对它的语音系统进行详细的描写，可以为研究语音变异及其机制提供丰富的素材。
A detailed description of its phonology can provide rich raw materials for the study of the phonetic variation and its mechanism.
结论40岁以上右胸导联R波占优势者，大多数有心血管系统的疾病，只有少数为正常变异。
Conclusions Except some normal variation, most patients over 40 years old with right chest conduct link R-wave advantage in electrocardiogram were demonstroted disorders in cardiovascular system.
同时研究表明，系统随机整群抽样是进行黄牛群体遗传变异分析的最适抽样方法。
Also the results showed that the Stratified Random ClusterSampling is an adequate sampling method for the genetic variation analysis of yellow cattle population.
这种风险可能会打开非法网络连接，使用多策略，自我变异，禁用安全软件，修改系统文件，并安装额外的恶意软件。
Such risks may open illicit network connections, use polymorphic tactics to self-mutate, disable security software, modify system files, and install additional malware.
零件的加工工艺过程既可以通过对已存在的实例零件进行变异设计，也可以用专家系统进行创成设计。
The process planning of a part can be obtained through the variation of that of a practical case already existing, or it may be carried out through the expert system.
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