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。
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.
在计算机网络通信中，为了降低数据通信线路传输的误码率，可以采用一种差错检测控制———循环冗余码校验(CRC)。
In this paper, it studies one of the error-check controls of the communications of computers network-Cyclic Redundancy check (CRC).
实际球心的数据可以ASCII码的形式通过一个系列接口传至外部计算机以供进一步分析。
The actual ball center data can also be sent to an external computer in an ASCII file via a serial port for further analysis.
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