??????????:????????????

????:????95????:?????????

?????????????7???4? ???????????,????7???????4????10??:?????,7?????4??14??????5????????????????14?????,??????????????????????,????????????????????,??????????(100~180??)??????????(????20~40?????????????????,?60??????????????),??

????:?

???????????:

1?????;

2??????????,???????;

3??????????????,?????????;

4????????,???

???:???