??????6???21?????????????????? ??????????,??????????????????20??????,????,????????????

?,?????????20?,???????????,???????????21?????

???,????1968??,2019?????????????????,2020???????????????????

??????,????6?????????????????????????10?????????11??????,?????,????9??,?????????? ???????:?? “????vx”_????

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

????:1?????vx:??????150????

2?????????

3???????

4???????

5????????????

??????6???21?????????????????? ??????????,??????????????????20??????,????,????????????

?,?????????20?,???????????,???????????21?????

???,????1968??,2019?????????????????,2020???????????????????

??????,????6?????????????????????????10?????????11??????,?????,????9??,?????????? ???????:??