????:1????????:???????100????

2????????

3?????

4?????vx

5??????92?

?12????????4????????? (?)????????“????????????????”,???376??,??????70%????????????,?????????????,????????

????,????????????????????,????200??????????,???????????29??????????,??????????“??”,???“??”????????

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

??,10???????????????0.8??????,“?”?“???????????,??????????????????”???????????

“200??????????????????,?????????????????????,?????????????,???”??????????

??????,?????,?,???«??»,???«???????????????»,???????????????????“?????”??????????,??,????????????????????????????,?,????60??????????1.93?????????,?????????????

?????????,????????????,???????????????,???“????”??,????????????????????«?»?????????????????????,?,???????????,????????????????,????,?????????????????????????????????????????????????????,????????????????????????????,??????????????????

???«?»?????????????????? ?? ???

“??????????,??????????,????,?????????????,??????????????????????????????????????????????,??‘??’????”?????????????????????????(??)

??:????????????