I tell them not to worry because it is probably just a random variation, not a significant trend.
我告诉他们不要担心，这可能只是个随机的变化，而不是显著的趋势。
This assumption explains the random variation of phenotypic traits over time, but it doesn't explain why phenotypic traits evolve.
这种假设解释了在一段时间内表型性状的随机变异，但没有解释表型性状为什么会进化。
For Darwin, the only thing that organisms contribute to determining how next-generation phenotypes differ from parent-generation phenotypes is random variation.
对达尔文来说，造成子代表型和父代表型存在差异的因素中，生物自身所起的唯一作用就是随机突变。
Jitter is a random variation of the output clock.
时钟抖动是输出时钟的随机变化。
The two coefficients reflect overall random variation and local random variation of ore body respectively.
文章最后，根据这两个指标对矿体的变化性质作了初步分类。
This paper analyzes the random variation in the travel time on stochastic road network and redefines the travel time reliability.
分析了随机路网中行程时间的随机变动，并重新定义了行程时间可靠性。
Correlation factors between them are analyzed via statistic regression, where thickness of ore formation is regarded as a random variation.
采用回归法分析了矿体厚度与古地貌之间的关系，据统计研究，矿体厚度属随机变量。
Atmospheric turbulence occurs with the variation of refraction index of atmosphere caused by random variation of atmospheric temperature and pressure.
大气湍流是由于大气温度、压强的随机变化引起大气折射率随机改变而产生的。
The output beam of diode pumped solid-state laser(DPL) has minute random variation in direction, which results in the restrictions on the appliance of DPL.
二极管泵浦固体激光器（DPL）输出光束的方向在某个微小范围内存在随机变化，这种光束指向性的波动在某种程度上严重制约了DPL的应用。
Soil characteristics spatial variability is one of the important attributes of soil, and its sources of variation includes random variation and system variation.
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。
Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.
根据腔长的随机变化、介质色散特性和模竞争效应解释了低频拍和连续噪声谱。
Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.
根据腔长的随机变化、介质色散特性和模竞争效应解释了低频拍和连续噪声谱。
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