These include many products that are hard to identify without colorful packaging, such as purses, shoes and cell phones.

这包括很多没有鲜艳外包装下就很难识别的物品，比方说：钱包，鞋，手机等等。

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These packaging materials introduced in this paper include out-packing materials, label materials and brand material.

文中论述了包含包装物、标签和商标材料等包装材料的防伪技术。

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