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

2?????

3???????

4????????????

5?????????

????6??29?(??? ?)6??????????????29?15??58?,?,??????6??????29?6????30?,??????????????????50?,??8????????

6?28????????????,???,?????,???????????????

??,??6??????????29??4???6????29?????3?????,?8.82?????????????????,?0.02??

??,6??29??????20?7??????????2?20??????????????,??,6?29??????6?????????????????????30???????????????,??

?,????????,???6?28????????,???,??,??,??????,???????(????????????) ????????????:??