RFID系统利用射频信号通过空间耦合进行双向信息传输，实现对待识别物体的自动识别和数据采集。
RFID systems achieve auto-identification and data-gathering of the object to be identified by utilizing space coupling of radio frequency signal to conduct two-way transmission of signals.
提出了三种实现信息双向传输的数字通信模型，分析了它们各自的特点和应用场合。
Three digital communication models to realize information dual-direction transmission are brought forward and their characteristics and applied situation are analyzed.
通信双方建立连接后可以双向传输文本信息和各种格式的文件，并且在双方对发文件的同时仍然可以进行双向的文本信息通信。
After the connection is created, the two sides can make a two-way transmission of both text message and files in all kinds of format.
它是信息高速公路的基本框架，受到越来越多人的关注，本文介绍了光纤电视的双向传输技术，并讨论了系统的设计方法。
It is concerned by more and more people. The two-way transmission technique of CATV by optical fibre is introduced and the design of the system is discussed.
车-地之间双向传输，信息闭环确认；
Two way transmission between the train and ground facilitates closed-loop acknowledgement.
装定器和引信之间的信息双向传输技术是可编程引信研究中的一项关键技术。
The technology of information dual - direction transmission between setter and fuze is the key technology in the field of developing programmable electronic fuze.
要求列车与地面之间进行双向、大量信息传输。
There is a need of two-way information transmission between the train and the ground.
它是一种双向不对称的服务，从视频服务器向用户端的视频数据传输远远大于相反方向的点播请求信息数据传输。
It is a two-way asymmetry of services from video server to the client's video data transmission outweigh the opposite direction of vod request information data transmission.
它是一种双向不对称的服务，从视频服务器向用户端的视频数据传输远远大于相反方向的点播请求信息数据传输。
It is a two-way asymmetry of services from video server to the client's video data transmission outweigh the opposite direction of vod request information data transmission.
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