The issue of tax burden rate and its movement has long been the subject of academic debate.

有关我国实际税收负担率的高低及其走向问题，一直是学术界争论不休的话题。

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Air quality levels are analyzed in each city use of gray statistical strategy. The type of urban air pollution is judged by burden rate, which is calculated by the Shanghai air quality index.

利用灰色统计模型分析了各城市空气质量等级，用上海大气质量指数法计算出污染负担率，然后根据污染负担率判断城市空气污染类型。

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The other important variable is the interest rate: the higher the interest rate, the heavier the debt burden.

其他重要的可变因素还有利率：利率越高，债务负担越重。

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State and local law makers have turned the energy industry into tax collectors and in the process increased the burden imposed on rate-payers.

FORBES: New York's Radical Energy Policy: Cut Taxes

Floating-rate mortgages last year reduced many borrowers' payment burden as the Bank of England dropped its base rate to 0.5% and lenders adjusted their standard variable rates downward in response.

ECONOMIST: Houses and prices

And because most British mortgages are at variable interest rates, or are fixed for only a few years, sharp cuts in rates in Britain eased the burden on debtors more than rate cuts did in America, where many more mortgages are at fixed rates.

ECONOMIST: House prices