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

????:??????????:?????????

?????????????12??19? ?????,??,?????????????????????????19????21??,??????;?????,??????????????????????????????????,????????

???????????

19?21??????,??,??????????????4~6?,?????2~4?,???????,?????????????????????6~8?,?10???????????????????4~5?,????????6~8??;??????????????????6~8???????9~10???????????

????12??????19??6??????:?,12????19????8????????20??8????,??????????????????????????5~6??????????????7~8??,?????????????,??????6~7??????????????8~10?;?????????????????7~8?????9?,????????????9?????????????10~11?????????

??????(12??19???????8??????-20??8?)

??????

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

?,19?????????????21???????????,?????????????????????;?????????????????????????????,?????20?21??????,??,????????????

???????????

12?19????????8????20?8????,?????????????????????????????????????????????????????????????????????????????????????4~6??,????????????,??7?;????????????????????????????7~8???????9????????????????????

?(12???????19?????8??????-20?8?)

12???????20????????????8????21?8??????,???????????????????????????????????????????????????,??????,????(5~8??????????)????????????????????????????????????????????????????4~6??;????????????????7~8?????????????

???????????????????(12????20??8????-21??8??????)

12?????21????????8??22?8?,?????????????????????????????????????????????,?,????????(5~9?)????????????????????????????????????????????????????

??(12??21?8?????????????????-22??8?) ??:??????