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

2?????????

3????????

4?2021???????

5?????

???????12????????4???????????????? (??????????????? ??)??????????????4????(?????)???????????27??(??????)??????,???????(MDT)????????????????????,????

?????????(??)?27?? ??

???????,?46?????????????????????????????????????????????????????????????????,???????X????:?,?????????,??,???????????,???

???????,??,??MDT???????????????????????????????????????????,???,???????????,?????

????,????????????????????(MDT)??,???????,????????????,????????,??????????????(MDT)?????????????,?,?????????????(???????)

???:???????