名词
中文翻译：索引号
同义词：
['key numbers', 'reference numbers例句：1. The index numbers are listed on the back of the booklet.（索引号列在小册子的背面。）']
例句：
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1. The index numbers are listed on the back of the booklet.
索引号列在小册子的背面。
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2. The company uses index numbers to track inventory levels.
该公司使用索引号来追踪库存水平。
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3.The index numbers were used to match the data with the actual records.
索引号被用来将数据与实际记录相匹配。