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

2?????

3???????

4???????

5???????

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

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

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

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

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