The method measuring the ovary weight of tat for detecting the bioactivity of HCG results lower variation coefficient and greater reliability.

美英日三国药典规定使用的大鼠卵巢增重法组内组间变异系数最小，测定结果可靠性最大；

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The men with a genetic tendency toward lower BDNF levels seemed to lose their ability to perform complicated tasks at almost double the rate of the men without the variation.

基因遗传变异易含有较低的BDNF水平，也容易比没有遗传变异的人多了达两倍的机会丧失操作复杂任务的能力。

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The variation at the lower solar elevation is caused by the cosine response of the instrument.

而太阳高度角较低时此值的变化，主要由仪器的余弦响应所引起。

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Intriguingly, however, sponsor-to-sponsor deals show a significantly lower variation in the returns they generate, making these deals a lot less risky.

FORBES: A World Of Difference For Private Equity

Instead of chasing after retailers using the old standby of return on assets, consider a variation: Go for companies whose ROA measures will remain unscathed if and when rulemakers lower the boom on lease accounting.

FORBES: Retailers