试解释PSI的含义。
参考答案：即在小区重选时在源小区先发送必要的分组系统消息，在小区重选恢复数据连接后再发送其他系统消息。
In 1888, a major French newspaper announced the death of Nobel in an article ________ “The merchant of death is dead”, which indicated that Nobel was only thought of as one _______ from killing.
A．read; profiting
B．read; to profit
C．reading; profited
D．reading; profiting
休克经治疗后，微循环改善的最重要指标是（）
A.尿量增多
B.外周血管扩张
C.肢体温度回升
D.血压回升
E.神志改变
