前面我们提到了阅读器到标签的正向信道(forward channel)通信范围较大，标签到阅读的反向信道(backward channel)通信范围较小，攻击者 只能在与标签极近的一个小范围内才能监听到标签数据。
基于592个网页-相关网页
... 反向搜索 backward search 反向通路/反向信道/反向通路 backward channel 反向业务信道 reverse traffic channel ...
基于60个网页-相关网页
dummy backward channel [通信] 反向假信道
backward channel capacity 反向信道容量
backward channel ready 反向通道传送准备就绪
BDF backward channel 反向信道
backward-channel 后向通道
backward channel backward channel 向后通道
backward channel for recycl 回收的后向渠道
backward channel received data 反向通道接收数据
backward channel carrier detector 反向通道载波检测器
Based on current network technologies, we give some feasible backward channel solutions for implementing interactive applications on digital TV platform, and compare their characters.
基于当前的网络技术，为有线数字电视开展交互应用提出可行的回传通道解决方案，并比较了这几种技术的特征。
Through the local branch of funds on deposit and backward areas of capital flows into developed areas of the main channel.
地方分支机构通过资金上存而成为落后地区资金流向发达地区的主要渠道。
Local branches through the capital and capital flows backward areas become the main channel developed regions.
地方分支机构通过资金上存而成为落后地区资金流向发达地区的主要渠道。
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