题目内容
根据合同法的有关规定，下列选项中，当事人有权行使法定解除权解除合同的是______。
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The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The ______ of passing through each network is the same; it is one ______ count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A ______ through a network can have different costs (metrics). For example, if maximum ______ is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum ______ is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service. 将1路模拟信号编码为数字信号后，和另外7路数字信号采用同步TDM方式复用到一条通信线路上。该路模拟信号的频率变化范围为0～1kHz，每个采样值使用PCM方式编码为4位的二进制数，7路数字信号的数据传输速率均为7.2 Kbps。复用线路需要的最小信道容量是______。
燃气管p≤0.4MPa，其平行净距为______m。
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