????:1?????????????:????300?2??

2?????

3???app????

4???????????

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

???(7???????12??)???????????“??????”?????????“??”???,???????????20?,???????19812010?????????????????17?10????????9.2?????????

“?????????????”??2023?????6??8?????????????,?,???????????

?????????????????????????????????????????,??????????????,?????????????“???”??????????4.8?,??????12.8?????????,?????????1978????5.05%?13.84%,??????????2004????????????85%??70%?,???“????????????????????????????”??“????????”???????????4?,???20???????515??1000???????,???2004??74.1%?2019?????????62.3%????????

(???????????? ????????? ??) ???:??????????????????????????