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

2???????

3???150??????

4????????

5???????

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

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

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

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

?:?????