对FTU组网拓扑方式进行了分析，区域站的引入改善了电网SCADA系统的综合能力，并对新2002版101规约进行研究，将电力101规约在通信中进行了具体应用。
By analyzing modes of FTU network, middle station perfect all-around levels of power SCADA. and then, discusses the implementation of the power communication new 101 protocol of 2002 edition.
另外两项发展预示着公路收费站时代的结束，并开始了一场交通革命，从而促进了区域专业化和国家市场经济的发展。
Two other developments presaged the end of the era of turnpikes and started a transportation revolution that resulted in increased regional specialization and the growth of a national market economy.
由于WLAN工作站之间的模糊边界，wlan链路层拥有在传送前清除一个区域的协议。
Because of fuzzy boundaries between WLAN stations, the WLAN link layer has a protocol to clear out an area before transmission.
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