????????8???????????????????19? ??????????,????????19????,??,?4.7?????????????5.1???????,???,?????

?,4.7?19?0????????????????48???,???????????,??????????4????

?????2?,?????5.1??,?5???

???,????????(??2??????3???)??????????,??????,??????,???? ??:??????????? ??“???????2020”????

?? ????19???????? ???????

????:1????????2020:??????????

2??????????

3?????????

4??????????

5???????

????????8???????????????????19? ??????????,????????19????,??,?4.7?????????????5.1???????,???,?????

?,4.7?19?0????????????????48???,???????????,??????????4????

?????2?,?????5.1??,?5???

???,????????(??2??????3???)??????????,??????,??????,???? ??:???????????