???8?????23???????? (? ???????????)???????8???????????????????????23??

??,?????,???,???????????????????5??????????,????????????

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

??,??????????,??,????????,??,??“??????????”???????????????(?????????????????) ??:????????????????????? “??????”_????

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

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

2?????????????

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

4???????vx

5????????????

???8?????23???????? (? ???????????)???????8???????????????????????23??

??,?????,???,???????????????????5??????????,????????????

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

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