Sadly, the popularity of this approach does not trump its invalidity - there are just too many sources of variation to let you trust a single measurement.
遗憾的是，这种方法虽然很流行，但是很不可靠。有许多因素会导致结果的偏差，所以无法信任单一度量值的精确性。
Understanding better the sources of variation not explained by patients clinical characteristics may allow improved tailoring of therapy to patients most likely to benefit.
更好的理解不能用患者的临床特征解释的变异来源可能会改善对患者更有可能受益的治疗剪裁。
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。
The variation of denitrification potential and denitrification rate after addition of external carbon sources through SBR reactor intermittent test was studied.
通过SBR反应器间歇试验，研究了投加外碳源后系统的反硝化潜力和反硝化速率的变化。
Modeling the systematic components of different variation sources and implementing these effects in circuit simulation are key to reduce design uncertainty and maximize circuit performance.
在电路仿真时对不同变化源的系统部分建模和分析成为减少设计不确定和最大化电路性能的关键。
Gender and age are generally linked with other situational and personal variables, making it difficult to determine specific sources of variation.
性别和年龄与其它的环境和个人变量普遍联系，以致很难测定变动的真正来源。
There was complex relationship between the provenance variation of variables and the climatic factors and geographical position of seed sources.
分析还表明，主要性状的变化与种源的原产地气候、地理位置重要因子有着复杂且多样的联系；
The variation trends of natural gas price and selection of stand-by gas sources for piped natural gas are analyzed.
分析了天然气价格变化趋势及管输天然气备用气源的选择。
The variation of ALP activities at the organic phosphate condition is just like that of phosphate deficiency, but the ACP has little changes at different phosphate sources.
在有机磷存在时，ALP的活性变化与磷胁迫时相近，而ACP对不同磷源的变化反应不明显。
Based on an analysis of the sources of errors, a linear variation of the stress at each stage was assumed, and a general formula for stress calculation was deduced.
为提高精度，在渐变应力比突变应力更符合实际的基础上提出应力在各时段内线性变化的假定，在此假定下推导了应力计算的一般公式，用于实测应变资料的分析计算。
Typical sources of variation in assembly line strain measurement include: strain gage type, attachment process, placement accuracy to location target and data acquisition system.
组装过程中应变测量的典型变异来自：应变片类型，粘贴工艺，定位准确度学和数据采集系统。
The variation among populations were higher than within populations, and genetic variation among populations was the main sources of total variation.
居群间遗传差异大于居群内遗传差异，表明居群间变异是引起遗传变异的主要来源。
The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability.
背景谐波电压不仅与电网中谐波源强弱、网压变化有关，而且与电网容量、结构有关。由于其直接决定电网承受畸变负荷的能力，所以有必要对各种电网的背景谐波状况作全面了解和测量。
Due to the existence of uncertainty sources (disturbance), there is a variation or excursion for the quality characteristic value from the target value.
各种波动源(干扰)的存在，致使产品输出质量特性值发生变异或者漂移。
Puff trajectory model can deal with the temporal spatial variation of source parameters and meteorological elements, and can be used to simulate the diffusion of all kinds of scales and sources.
烟团轨迹模式能够处理源参数和气象要素的时空变化，适用于各种尺度和各类源的输送扩散模拟。
In addition, only little is known about sources of variation that are associated with next-generation sequencing study designs.
此外，下一代测序研究设计中变异的相关信息也所知甚少。
In addition, only little is known about sources of variation that are associated with next-generation sequencing study designs.
此外，下一代测序研究设计中变异的相关信息也所知甚少。
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