Crisis information communication takes effect on preventing and controlling crisis, coordinating countercycle and reassuring people.
危机信息沟通在预防、控制危机，加强反危机协调，稳定人心等方面有重要作用。
2
It would be possible for someone to maliciously corrupt the counter property via an unprotected update, but that same malicious party could do the same thing with a normal update cycle.
可能有人会恶意地通过未保护更新破坏计数器属性，但这种破坏也可以发生在常规的更新中。
3
Centralization, Sub urbanization, Counter urbanization and Re urbanization are the main phases in the life cycle of metropolis.