采用网络接地法来降低电阻,降低接地电阻的方法是采用网络状接地体等降低故障时地面各点之间的电位,以减小电击的危险性。
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以下说法正确的是()。
A. 1~3岁是心理活动系统的奠基时期
B. 3~6岁是各种心理活动发展齐全的时期
C. 3~6岁是个性形成的最初阶段
D. 3~4岁是高级的心理过程逐渐出现的时期
During the IPv6 address resolution,a node sends a neighbor solicitation message in order to discover which of these?()
A. The Layer 2 multicast address of the destination node
B. The solicited node multicast address of the destination node
C. The Layer 2 address of the destination node based on the destination IPv6 address
D. The IPv6 address of the destination node based on the destination Layer 2 addre