某电路中电源电压保持不变,接上5 Ω的电阻时,电路中的电流为0.6A ,若换上15 Ω的电阻时,电路中的电流为 。
0.2A
观察下表,结合所学知识,从中可以得到的深层次的信息是:
《19世纪欧美主要国家城市和农村人口统计表》
A.英国以外其他国家都未开始工业化 B.工业革命促进人口由农村向城市的流动
C.工业化程度越低农村人口比例越大 D. 人身隶属关系阻碍了人口向城市的流动
Traditional network layer packet forwarding relies on the information provided by network layer (1) protocols, or static routing, to make an independent (2) decision at each hop within the network. The forwarding (3) is based solely on the destination (4) IP address. All packets for the same destination follow the same path across the network if no other equal-cost paths exist. Whenever a router has two equal-cost (5) toward a destination, the packets toward the destination might take one or both of them, resulting in
空白(3)处应选择()
A.connection
B.window
C.decision
D.destination