????:1???????????:??????

2????????

3??????????

4?????v

5????????98?

????????(?):???????????????,?????????????,????????????????,??,??????????

??????????,?????,?????60%?????????????????,??????????????????,??

??????????????????,??1800??????????????????????????6?????????6??????????,?????????????????6??????

????????,????????????????,????????,?????????800??

???????????????????????????,??????????????,??,??????????21???????????

6?????15????,????,?????????,????????????????????,?????????????????????,?74???????85%???

??(6???????16??????)?????????????????,??417???????,????????????????13??????????,???????,?????????? ??????????????:???????