根据触发原因,迁移可分为几种。()
A.静态迁移
B.硬切换伴随迁移
C.前向切换伴随迁移
D.软切换伴随迁移
E.系统间切换
参考答案:A, B, C, E
债券交易的佣金费用通常是成交金额的( )。
A.1‰
B.2‰
C.3‰
D.4‰
When the density of water is 1000,i.e.in fresh water and in summer zone a ship may load to the upper edge of the line marked().
A.S
B.T
C.W
D.F