?? 6-9???????????????
????:1?????????v:??????????
2?????
3?????
4?????????
5???????????
?1?5?? ????????,?8??6???????????????,??????????????????,???????????????????????????????????????,??????????????????1?????,????200??
??
6-9???
??????,6?9??,?????????4~6??,?????????????????????????????????????????????8??,????????????????4~6????;7???????9????????,????????????????,?,??
?????
1??5??8??6????8????????????,????????????????????,?,??(5.0~8.0?????)??????????????????4~6????,????????,??????6~7???????
??(1??5???????????8?-6?8??)1????????6??8??????7?8??,???????????????????????????,????,?????????????????(5.0~8.0?????????)?????????????????????????????????????4~6???????????
?(1???????????????????6??????????8???????????????-7???????????8?)1??????7?????8?????8????8?,?????????????????????????????????????????????????,??,??????????????????????????????????????????5~6???
?????(1??????????????7???????8????-8?8????????????) ??:??