论文首先介绍了一些相关的技术背景资料，包括GPRS通信技术、短距离无线通信技术、CAN总线技术及非接触式智能卡技术等。
Firstly, some basic technical words and relevant information are introduced, such as the technology of GPRS communication, short-distance wireless communication, CAN bus, and contactless smart card.
论文首先介绍了一些相关的技术背景资料，包括GPRS通信技术、短距离无线通信技术、CAN总线技术及非接触式智能卡技术等。
Firstly, some basic technical words and relevant information are introduced, such as the technology of GPRS communication, short-distance wireless communication, CAN bus, and contactless smart card.
应用推荐