加利福尼亚大学戴维斯分校的基因学家雷·罗德里格斯说：“我们的基因中都有这样的变异，它们影响着我们吸收、利用以及储存各种营养成分的方式。”
"We all have these variants in our genes," says Ray Rodriguez, a geneticist at the University of California at Davis. "And they affect how we absorb, utilize and store various nutrients."
以此方法所分析的18种香味成分中有14种变异系数在10%以下。
The coefficients of variation of 14 of 18 flavor constituents analysed by the method are under 10%.
运用主成分分析选取土壤肥力变异因子。
Principal component analysis was used to derive soil fertility variation factors.
利用用户认知的不确定性设计定向变异算子。首先，采用主成分分析法辨识用户认知的不确定性；
A directional mutation operator is designed by using the user's uncertain cognitive. The main ingredient analysis is used to identify the user's uncertain cognitive.
采用多元统计分析，对春石斛兰花42个栽培种21个主要性状进行了形态变异、性状相关和主成分分析。
The 21 traits of 42 cultivators in Dendrobium nobile were studied by morphological variance and correlation and principal component analyses.
目的：建立心血管变异性的数学模型，探讨变异性频谱的主要频率成分机理。
Purpose: To establish a simple mathematical model for investigating the mechanism of frequency components in cardiovascular variability.
结果中国人群HLA -A位点的第一主成分自北向南形成了明显的遗传地理梯度变异。
Results the first principle component of the HLA -a loci in the Chinese population has obvious geographic genetic structure from north to south.
结果：不同产地、不同变异类型冬凌草中各种成分的含量有明显差异。
Result: The content of chemical compositions in Rabdosiae Rubescentis Herba from different place and different variance-types has a significant difference.
第二个主成分只有长短径比，两种主成分能解释肌纤维变异量的累积比率达到了89.70％。
The morphological qualitative parameters were the ratio of long diameter to short diameter. The two principal components contribute to 89.70% together.
提出定量分析心率变异信号中确定性成分的方法，并应用于老年组和年轻组。
Meanwhile, we advanced a new quantative analysis method of studying HRV deterministic component, and applied the method to the old and young groups.
为了在病毒中分离这种“非变异”成分，内伯尔和他的同事们使用一个两步接种过程。
To get at these non-mutating parts of the virus, Nabel and his colleagues used a two-step vaccination process, called "prime-boost."
为了在病毒中分离这种“非变异”成分，内伯尔和他的同事们使用一个两步接种过程。
To get at these non-mutating parts of the virus, Nabel and his colleagues used a two-step vaccination process, called "prime-boost."
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