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

2??????????

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

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

5?????vx

??8????????????8???????? ??8??????,?????“??????”????????,???“????????????”??,??,?????,?????????????????????????

????????????????????,?????????????????????????“??‘????????????’??????”????,?“?????????????????????????”???????,????????,??????,??;????????“?????????”???????????

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

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

??????????????????,??1??6???,????????208.3???????????????,?99.5%,????????????????192.8??????????,?????103.2%?????,????“??”??????????????????,??,????????????????????????????“??????”?,??????,?????????????(????) ???:??????????