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

2???????

3????????

4?????????

5???????wx

??11????????????22?? (???????? ??????????)11????????????????????22??,?,????????,????,??

???????????,??“????????????????”??????,??,???????????????????????????????????,???,??????????????,????????

?,???(????????)???????????????,??????,????????????,??????????????,?????

??????,??????????2.8??????,???????????0.6??,????????????????????????????????,???????????????10926.4????????,??3000????,????????????1???????????????????????,??50%?????230???,?????????????50%??70%,???????????????????700????????????????????,????????,???2000??????????,???380????????????,?????????120???????

????????,?????????????????,?,???,????????????????????????“??????”?????

??????????????????????????,?,?????????????,??,?,???????????,?????????????????????,?????????(??????????) ????????????:?????