??
???1??31?? ????,?,????????????,??????,???????????,??????????;????????????????,??????????;???????????
? ?????
?,??????????????????,????;???????????????????,??????????????;???????????????????????????????????6~9??,????10~11???
?
1?????????31???????2?2?????,???????????????????????????????????????,???????????????????????????????????????????????????????,???????????????????2~4???????,????6?????,?????????????????,?????
2??????????2?????3??,??,????????????4~6?,???????????????????????6~8?,?4~5?,????????????7~8????6~8???????????9??????????,???,???????,????5~7?????????????8~10?,??11?????
??????????
??,1???????????????31?2??????1??,?????????????1????????????????????,???????????????????500??
?
1??31??08?2??????1????08???????,??????????????????????????????????????????????????????????,??,??????????????????(10~15????)????????????????????????????????????,?????(25~30?)??????????????????????5~7???????8~10???????????????????11?????
???????(1??????31?????????????08?-2????1??08?)
2??1??08???????2???????????????????08??????,????????????????????????????????????????????????????,??????????,??????????????(5~7?)???????????????????????????????????5~7????????????????8~10??
??????(2????1?08??????-2?????08????????)
2????2????08????3?08?????,???????????????????????????,??,??????(5~6??)??????????????????????????????????,??????????????????????4~6???????????,???????,????6~7???????,??????????7~8?????????
????????????????(2????2???????????08?-3??08?)
????:???????????????
?????????????????? ?????????? ?????????????