名词
中文翻译：数量指数数
同义词：
['quantity index', 'quantity index number', 'quantity index value']
例句：
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1.The company's profitability is closely related to its quantity index.
公司的盈利能力与其数量指数密切相关。
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2. The government has introduced a new policy to improve the quantity index of the country's economy.
政府已推出新政策以提升国家经济的数量指数。
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3.The quantity index is used to measure the overall health of an industry or sector.
数量指数用于衡量一个行业或部门的整体健康状况。