?? ???????????? ???????????
????:1?????????:?????????
2?????????
3???????
4?????vx
5??????150??????
??11????????????29????????????(??? ??????)“????,?????????????20????,???????,??”29??????????????,??????,????????????????????????,???????????????????????????????,???“????”?
????9????«????»,????“????????????????????????????????,???????????????????????????????????”??????????????,??????,???????70?,?????200?????????????,??500??(???,???)?
?????????????????????,????????,???????????????????????????????????????8???,????????????????20%?????????????,??????????????????????????15%??????????????,???,???????????????????????8???,??2000????????,???????????,??????????1.6??
???????????????,??????????????,?????????????????????????????????“??????????????????”???,????????????????????????
“?????????????,??????????????????????????????,???????15%??????????20%????”????,????,????????1600?????????????,???????630????,????????120?????”
?,????“??????????????????????,????????????????,?,?????50%,??????????100%?????????”
?????????????????,??????,?????????“?????????????”???,??,?,????????????
“?????????,?????????????????????,????????????????????????????????????????????????,???????”??,???????,??5000?????????????
?????????,??“??????????”????,????????????????????“????,?4000?????????????????????????,?????????”?????????????????,?,??????????????????????,????,????(??????????????????????) ?????:??????????