????:1?????300?3????:????????????

2???????

3???????????

4??????????

5?????????

11????29??????????,??(??)??,??????????????,??????,??????????,????700??????????;????????????????14.99???,??89.38%;??????????107.91??????,???92.04%,?????????????????“?”?(???????? ??? ???? ? ???? ???? ???? ??????????)

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