?????11????????23?????????????? ?????????23??????

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

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

?????????????????(????????????) ??????????????:???????????????????? ??“??????”????

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

????:1???????:??????

2???????

3???????????

4?????v

5?????????

?????11????????23?????????????? ?????????23??????

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

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

?????????????????(????????????) ??????????????:????????????????????