?? ???????????????????
????:1?????????150:???app
2????????
3?????300???
4??????????
5?????????
??????????????13??,70??,?????????,?,?????????????????????:
????????????????????????40?,??78.6??????????????,??????8?????????????????????,?14????????????????????,????????????,????????????
????????2023??????,?????60???????2.97????????,????21.1%;65???????????????2.17???,???15.4%,???????????,??????????????????2012?????????,?????????????300???????????????????,?????????????????????,??,???????????????
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