People buying medicine scratch off a panel attached to the packaging. This reveals a code, which they can text to a computer system that looks it up in a database.

人们买药时撕掉贴在包装上的一个标签，就会得到一串码，然后通过短信形式把它发送到一个计算机系统，通过这个系统可以在数据库中查询到相关信息。

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This system may use computer as platform and establish a friendly virtual instrument panel, finally the quality and efficiency for vehicle alternator performance testing are improved.

该实验系统利用计算机作平台，建立友好的虚拟仪器面板，有利于提高发电机性能测试的质量和效率。

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The thesis discusses on how to research and then design the LED video panel system, which is a typical product of computer digital video system, by using the PLD chip as the main control logic.

本论文讨论用PLD芯片作为主要控制逻辑来设计计算机数字视频系统的一个典型应用型产品——LED视频电子显示屏系统的研制方法。

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