????:1???????400?????:??????????

2??????vx

3?????200????

4?2023??QT???????

5????50??????

????11?????25?????? (?????? ???????)?????“??”??,???????????25??????????,46???,????????“?????????????????????”????????????????6000???????????,??58%?

?????????????????,??“?”??120???,??????811.32???????,??110??????????,????????????????

???????“???????????”???,???,??“??”??????????202?????????,??????????,??11?????????“?”??

??????????????,??????????????????????????????????????????????

1978????,“??”?????????????????????????????????????????????“?”????,??????28.4%?????“??”?????????????????????????9?????????????68???46???,??“?????”???190??

46???????,??“??”????????????,???????????????????????????“??”“?????????????”“?”???,????????,?????(?????) ?????????????:?????