????:1?????qt?????:??????

2???????

3????????QQ

4?????

5?????

9???????30??????,???“?????”???

??,??????????,???????????,????????????,?????“????”“??????? ?????”????,????????,????????????????????????????“?????”???5A?????,?????????????????????????

????,?,????????42.9???????????????????4.32??????,?????????16.8%????17.1%,??2019???????????,???????,?,??????????????????????????????,?????????????????(??? ????????????????? ?????)

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