40 元券9783659679650EfficiencyProtocol'stopology¥4810去看看上海外文图书音像专营店发布了按需印刷Effect of Network topology on Routing Protocol's Efficiency[9783659679650]20 元券9783659679650EfficiencyProtocol'stopology¥4330去看看澜瑞图书专营店发布了【4周达】Effect of Network topology on Routing Protocol's Efficiency [9783659679650]