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

2???????

3???????+v

4???????????

5?????????

???????????11?????????????29????? (?? ????????????)11??????27???????????29??????????,“?????????”?,?????????????????,???????????????

“????????????????”??????????????? ???? ?????

??????,?????????????????“?????”,??????????,????????????“???????????????????”,???“????”,??????????????,????????????????????????

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

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

“??????????”?“?????”?? ?? ???????????????????

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

?????????????????,??????????,?????,?????????????????,???“??”?,????????????,?“??”?

??“??”????? ????????????? ????

???,????????“??????????”????“????????”??????;“?????????????????????????????????????”?????????????;???????????“????????”????????,????“?????”????????????,??????????????????(????????)

???:?????