名词
中文翻译：五年度指数
同义词：
['quinquennial', 'five-yearindex']
例句：
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1. Thequinquennial index has been steadily increasingsince the last report.
自上次报告以来，五年度指数一直在稳步上升。
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2. Thequinquennial index is used tomeasure the economic growth of a country overa five-year period.
五年度指数用于衡量一个国家在五年期间的经济增长。
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3.The quinquennial index was releasedby the World Bank as an indicator ofglobal economic health.
世界银行发布了五年度指数，作为全球经济健康的指标。