?? ???????????? ???????????????
????:1???????????:????vx
2?????????
3???????
4???????
5???????????
???????1????????6?? ?????,????????????????????1?????????????6?,??????????????????????????????????????????,????????????????????????,??
?:????2021???????????????????1???6?????????,?????????????,??????????????????????,???????????????????,?????????????,???????????????,?????
???????????????????,?1????6????????,????????,???????????,??????????????????1???????????20???????????????????,?????????1???7??????????
????????,???,???2021?1?6??,????????????????????????????????????,?????????,??????,??
??????????????,?????,“??,??”
???,??,????????????,??????????????,???????????????????????
?????????????????????,??????????????,??????,?????????????????????????1?6????????500???????????,????????????
????????????,??????????,???
??????????????????,“?,??”????????????,???????????????????,“????????,????????”
?????:???????????????