The researches on national energy structure are based on the simple ratio relationship and qualitative analysis for the complexity of affecting factors.

由于影响因素的复杂性，国家能源消费结构的研究大多是以简单的比例关系结合定性分析为主，缺乏定量评价的客观依据。

youdao

The connection between the ratio of males to females and savings levels is simple.

男女比例与储蓄率之间的关联很简单。

youdao

Their maxim for the past couple of years has been simple: the higher the capital ratio – specifically equity as a proportion of risk-weighted assets – the better.

过去两三年里，他们有一句很简短的口头禅：资本比例——具体地说就是股本对风险加权资产的比例——越高越好。

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He uses a simple ratio consisting of the stock's current price divided by the price six months ago.

FORBES: Surfin' ETFs

Moreover, most analysts compute the simple price-rent ratio by comparing the prices of current for-sale listings or recent sales to the prices of current rental listings.

FORBES: Rent vs. Buy: What the Standard Indices Aren't Telling You

Two big factors behind these differences are the dissimilarity of the rental and for-sale inventory being used to compute the simple price-rent ratio and the big differences in property taxes between these two cities.

FORBES: Rent vs. Buy: What the Standard Indices Aren't Telling You