?12????18?? (?? ????)??“??????????????”18???????,??????????

12?????18??,???????“??”??????????????(?? ??????)

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

??????????????“???”?(????? ???)

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

?????:???? “???????????”????

?? ?????????????“???” ??????

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

2????????

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

4??????v

5?????????

?12????18?? (?? ????)??“??????????????”18???????,??????????

12?????18??,???????“??”??????????????(?? ??????)

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

??????????????“???”?(????? ???)

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

?????:????