“?”????????????????

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

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

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

“?????”???

?????,??????????,??????,???????……??????,?,??,???????,????“????????”?????……??????????????????,“????”??????,??“????????????????”???????,???????,“????,???”“???????????”“?????20???????,?????????????”……

48????,???????????????????,???????

55????:“??????????10??????,?????,?,??1????,???,?????????,????????????3???????????????????????,??????,????,????????????,???”

????“?????????”???“???????”????

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

???????“?????????”?????????

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

???????,“??”??:

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

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

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

“????”??,??????????????????????

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

?????“??”??????????????????????,????:????=???????÷??????????????,?????11????????12??????????????,????????????1??,??????????7????????????????,????:????=???(7-1)÷?????(8)=75%?????????????,????,????90%???????100%,?????????85%????????90%,??????85%???,???????????,?????

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

????“???????”??????????

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

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

???????????????,??,????????,?????????????;

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

?????,??????????????????????,???,????????????;

?????,?????????????,???,?????,?????;

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

?? “?????”???????????“???????”?????

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

2?????

3??????????

4??????????

5?????vx

“?”????????????????

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

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

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

“?????”???

?????,??????????,??????,???????……??????,?,??,???????,????“????????”?????……??????????????????,“????”??????,??“????????????????”???????,???????,“????,???”“???????????”“?????20???????,?????????????”……

48????,???????????????????,???????

55????:“??????????10??????,?????,?,??1????,???,?????????,????????????3???????????????????????,??????,????,????????????,???”

????“?????????”???“???????”????

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

???????“?????????”?????????

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

???????,“??”??:

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

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

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

“????”??,??????????????????????

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

?????“??”??????????????????????,????:????=???????÷??????????????,?????11????????12??????????????,????????????1??,??????????7????????????????,????:????=???(7-1)÷?????(8)=75%?????????????,????,????90%???????100%,?????????85%????????90%,??????85%???,???????????,?????

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

????“???????”??????????

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

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

???????????????,??,????????,?????????????;

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

?????,??????????????????????,???,????????????;

?????,?????????????,???,?????,?????;

?????,????????,?????,????????????????,?????????????????(???????????) ?????????:??????