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discrete visual face-to-face communication with colours, numbers or characters
discrete visual face-to-face communication with colours, numbers or characters
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机译:具有颜色,数字或字符的离散视觉面对面交流
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摘要
this claim is characterized by the simple and discreet way, social and economic contacts each type within a group of people at a specific place to linkfor example, in a fair and decorated in a local, a ship or train, in a university or school.
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