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

2???98??????

3????????

4???????????

5?????????

2????????10???????????,?????????,???????(?)????,8???,??,????????????????,??????????

???,??????????,???3????????????????,????700????????????????????????????????,????????????98.2%?

????????(?????????)???8???,????70?????52?,?????????????????20????????????????????????????????

????????,???????2?????????????????????20????1???15?,?????????500??????????,????(?????????? ????????????????)

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