英语翻译要求：应用在一份英文报告中的注释,需要解释Year-on-year growth和Annulus growth这两个词组分别是什么意思,必须是用英文来解释的,要求简明扼要! 英语
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【答案】 Year-on-year growth rates are rates of change expressed over the corresponding period (month or quarter in relation to the frequency of the data) of the previous year.
Annual growth rate is calculated by taking the nth root of the total percentage growth rate,where n is the number of years in the period being considered.