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

2??????

3??????v

4?????????

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

???2?????9??????????? (?? ????????????????? ???)2????????????????8???????11???????????????????????50????,??2??????????????????????????9??????????“28”???,????,????????????29??????????????,???????????????

?????? ??????? ????????

??8?????24?,?????????????????????10???????????????1????????????,???????2?????????,????????1??????????1???????????????,????????,??????

???,??,???,??????????,?1.2?????????????????????????????10???????????????????20??????????100????,????????????10??????????????????????,?????

??

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

?????,???????,?????????????,?????????????,????????????????????????????????????949????????,??????????????????????????????????????????????????????????????????,?????????????????????????

??? ??? ???????????

?????,??,????????????????????????????,???7.5????????,??2?,??????4???????,???,????????????????????????????????????,??????10?????????????????,???????????8?,??6????,????2???????????????????

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

????????

????,??????????????8??,???????????????????,??????????200?????,????????

???,??200?????????,??????????155?,????,??????????????30??100????????400????????1100??,???????????????????????????????????????????????????,???????????????????

????,????????,24??2?????????2?,?????????????????,????400????????;?????????800???,?????3??????????????39??????????????64??????????????????64??,?????

??????,?????,???????;?,?????,??????????,??????????23???????

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

??:??????