Data is a special commodity of information industry. Its production and circulation process has already received much attention.

数据作为信息行业的一种特殊商品，其生产和流通过程已受到较多的关注。

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Food packaging as a means of protection, we must ensure that food as a commodity in its storage and transportation in the process of circulation of the quality of the quality and health safety.

作为食品的保护手段，必须保证食品作为商品在其流通储运过程中的品质质量和卫生安全。

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