“simple aggregative index”的概念、定义、翻译、参考文献-科学参考

单词	simple aggregative index
释义	simple aggregative index [¦sim·pǝl ´ag·rǝ´gād·iv `in´deks] ^STATISTICS A statistic computed for a collection of items by taking the ratio of the sum of their given-year values or amounts to the sum of their base-year values or amounts and usually multiplying by 100 to express the figure as a percentage.
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