名词
中文翻译：索引
同义词：
['measure', 'criterion', 'standard例句：1. The index of the stock market has been rising steadily.（股市的指数一直在稳步上升。）2. The new index measures the quality of the products sold in the market.（新的指数衡量市场上销售的产品的质量。）']
例句：
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1. The index of the stock market has been rising steadily.
股市的指数一直在稳步上升。
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2. The new index measures the quality of the products sold in the market.
新的指数衡量市场上销售的产品的质量。
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3.The index is used to calculate the average wages of employees.
这个指数被用来计算员工的平均工资。