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

2???????

3????????

4?????VX????

5???????

“????????????”,??????????“??”?

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

?????????????“???????”

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

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

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

????,??70%????????????80%,???????????,??????????:“???????????????????????‘220??????????????’??????????,?????,????????????????????????????????,??????,?????????,????,?????????,??????????,????,???????????????”

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

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

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

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

????“???”??????????????

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

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

?????“?????”????,?????

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

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

???????,???,????,??????????,????????????????20?????30??????????,?????

“????,???,???????,???”??????,???????,??????????????,??????????????????“????,?????,??2??????3??????????,??????,?????,?????????,????????????”

???,?????????????,?????????????????????????“2:1:1”,?????????,?????

??????,???????????????“??????????????,?????????????,??????,??????????????????????????????”?????????,?,???????????,????(?????????)(«????»???? ??????????) ?????????:?????????