???6??????27???????? (???)??????????????,????????,70?????????????????????????????????????7??????????????

?????????????????(?????????)

“70???,??????????????????????,??,????????”???

???,?????????????????,?????,?????????????????????????????????100%,????????????

?????????,?????????????“???????????????”????????????7???????????????,???????“?????????”“??”???9???????????,????????????????,??????,???

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

???????:????? “?????”????

?? ????100%???,????????“??”??

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

2???????

3?????????

4?????vx

5??????????

???6??????27???????? (???)??????????????,????????,70?????????????????????????????????????7??????????????

?????????????????(?????????)

“70???,??????????????????????,??,????????”???

???,?????????????????,?????,?????????????????????????????????100%,????????????

?????????,?????????????“???????????????”????????????7???????????????,???????“?????????”“??”???9???????????,????????????????,??????,???

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

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