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

2?????vx

3???????????

4?????

5??????

???1??6????????(?????? ??)14?????????????????4?????2000????,???????……????????????????????????“??”???,???????????

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

“?????????????,??,???,????,?????????????,????????????,????,?????”???????96??????

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

20???????90?????????????????,???(?????)???????????????100??????????2011????????,??????????“??”?

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

2020?????????????,??????????“?????”??“?????,???????,?????????,???????????????”66???????????????????

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

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