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

2????????

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

4?????????????

5?????????VX

?????????????11????23???????????(?????????????????????????? ?)?????22????,???????????“???????????????????????”?

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

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

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

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

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

????,?????????(???????)????,????2020?????????,??????????

??????????????????(???)??????????????????????????????????????????20?????????200??????????,???260???????????????????(?????????????????????) ?????????????:?????????