其他官方数据表明，墨西哥人的吃肉量大约是1990年的两倍。去电影院的频度是那时的四倍，同时零售业商场的面积自1993年以来规模扩大了3倍多。

Other official data suggest Mexicans eat about twice as much meat as they did in 1990, and visit the cinema four times as often, while retail square-footage has more than tripled since 1993.

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拥挤的商场也是当地数据的平台。

Also crowding the market are platforms focusing on local data.

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利用该算法，通过预处理、数据约减等步骤从商场营销数据库中收集顾客属性数据，消去多余数据属性。

Using the algorithm, system can collect customers' attributes data and eliminate redundant data attributes from emporium marketing database by pretreatment, data reduction and other steps.

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