Then, according to mathematics equation of the model, an equation of internal returns ratio and daily production of single well and well depth was derived.

然后，根据模型的数学方程推导出关于内部收益率与单井日产量和井深的方程式。

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Therefore, according to the risk-income symmetrical principle, the corporate bond's returns ratio should be higher than the non-risk interest rate at the same time.

根据风险收益对称原则，企业债券的收益率应该高于同一时期的无风险利率。

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It shows negative correlation between internal returns ratio and well depth, and positive correlation between interval returns ratio and daily production of single well.

数值方程显示：内部收益率与井深成负相关关系，与单井日产量成正相关关系。

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The bank passed stress test with 5.9% capital ratio but apparently did not request any capital returns after its proposed dividend hike was rejected in 2011.

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With long-term earnings and revenue growth both above 19%, attractive valuations (the stock's PEG ratio is 0.47), high returns on equity, and a decent dividend yield, it's easy to see why Reese's guru strategies find the stock a good one for 2010 and beyond.

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Measured by the ratio of whites to blacks, the ratio of city to rural folk and past election returns, Missouri is a microcosm of the nation that surrounds it.

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