?? ??????????? ????????
????:1????????:??????????
2????????????
3??????????
4??????????????
5?????
?12?21??? ??,21??????,????,?????4~8?;?????????????????????????????????????????????2~4?????????????????,????,?,??
???????
21?,????,????4~8?;???????????????????????2~4?????????????7~8?????????9~10?????
??????????????????12?????21???08??:????,12????21????08??????????22????????????08????,????????????????????????????????????????????????????????????????????5~6???????????????7~8????????;???????????????????????????????????????????????????????7~8??????????????????????????????9~10??,??????????9?????????????????????????10~11??
?(12??21?08??-22?08?)??????
????,????,?,?????????
?,21??22??,????????????;???????????????????
????
12?21?????08????22????????08?,????????????????????????????????,?????????,????(3~9???)???????????????????????????????????????????????????????5~6???????,?7~8?????;?6~8????????????,?9~10??
????(12?21?08?-22?????????08?)12???????????22?08??23????08??????,????????????????????????????????????????,?,????(3~6?)???????????????????????5~6????,?7~8??;?6~8???????,?9~10??
????????(12????22??08??????-23??08??)12?23????????????08?????????24?08????,??????????????????????????????????,????????????????????,???????????????4~6?,????7~8?????;??6~8?,????9~10??
???(12????23??????08????-24?08????) ?????:???