?? ???????????? ?????7~8???
????:1?????????:?????????
2??????????
3???????
4???????
5?????sn
??????1??????28? ???,????,?????,????????????????,??????????????????;????????,?????
????
???????,??????,?,???
?7~8????????????
????,????,1???????28??08??????29??08??????,???????????????????????????????????7~8????????9~10?,??????????????9???????10~11??;?????????????????????5~6??????7~9?????????????????????????1?28???06??
?(1?28?????08????-29??08????) ?????????????:???????????30????
1???????30??2??????2?,?????????????????????????????????????????????????????,??,????????????????????????????,?;?,?????
?
1?28???08??????29???08????????,???????,??????,?????????????????,????(5~8??)?????????????????????????????????????????????????????????4~6??
??(1???????????28?08??-29??????????????????????08?????????????) ??:?1????29???????????????08?30??????????08??????????????????,????????????????????????????????????????????????????????????????????4~5?????????
?????(1?29??08?-30????????????08???????) ?:?1??30?08?31??08????,??????????????????????????????????,??,???????????????????????(5~9?)???????????????????????????????????????????????????????????????4~6??
????????????(1???30???????08??????????????-31?????????08????) ???????:?????? ??:?????