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

2???????????50

3?????

4?????300???

5??????????????

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

?????????????1??????,??????,??????,??????????????????,????????????????????????????????????????????????????,??????????,???,?????????????

????????????,??????????,???

???,10????,???????????????32.45????,?????????????????14.98%,?????????????7.47???????????????????,??30.56%,????????? ????????????????:?????