?? “???????????”?????????? ??
????:1??????:??????????
2????????
3??????????
4????????vx
5?????
????11????????????????23?(?????????? ?????)?????“?????”??????23??????????????,??????,???????????,???
????????????,???????????????????????????“???????????????????”“??”?????????,????,??
?????,????75????????,????????????????,????“???????6????,???????????‘?????’‘???’?????????????????????,??,???????????”
???? ?? ?????????????,????“??????”“??????”??“??????????????100???????????????????”??????,??“??????????????”?????,????????“?”????????,“???”??????“??”??
??“??????”??????????????,??“??”????????,??“??????”,??????????,??“??”?“???????????????‘??’???????????????????‘??????????’,?????????????‘??’‘???’????,????????”
??12??????,??“?????”“???”????????????????????????“???”???????“??”???“?????????”?????????????????????????,??“????”???????????????????????,??122??????“??????????”??5.3?,??“??”????????112??5.5???
??“?”???“????”?? ? ?????????????????????????? ????????????????,????????????,??“?????”?????,?????,????
??,???,???,??????12??????,??????????????????(???????)
??????:??????????