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

2?????????

3?????????

4?????????

5??????

?????????????????2?????????????3??????????? ???????:????3??,??????????????????,???????????????????????

??????,?????????????86.82%????????,???,??????????3.21%;?,????2.02%;???????????,?????1.86%;?,????????1.74%?????????????????????????690.4?,????????????????????????591.6????????,?????85.69%?

????,??4.4??????????????????????????486?????????????????

??,?????????3??????,??????????????????????

1??????26??????,????,??????5?????????(???????????) ????:???????????