?? ?????????? 587?????????
????:1????????????:???????????
2?????????
3?????VX
4?????????
5????????
???12???????20??????????? (????? ???)??????????20?,?,?160??????587???,??600??????93%?????????????????????????(???????????????)?
??????????????????,??,?????????????,???,??????,?????2021??,??5000?????????????(?????????????????,??????),????100?;?,?????????????2.51???,??503??????
??????????????,???????????,??????“????????????????????????????????????”???,??????????????????????30???????????????????
???????????,??90?????????,??3?????????????“???????”????,????????????????30????????????“?”????????,????????
??????,?????????????????????,???????????????,????,?????(?????) ??????:??????