??12?1??????????????????? (??????????????????? ???)11?????30??,??????????????,??????????????????,??,?????????????????????????,????????????????????,?????

?????????,2022????7?????6???????????????????,?????????????????

“??????,???‘??’???”???????,?????????????3.35m????5m??????????,?10?????????????????????????,???????????19????,????????????????????????????????????????????

??,????,?“??”??,“??”“??”“???????”???????????????????

??,???????????????????,?“????”“??????????????????????”,?????“?????????????????????????????????????”,???????“3+1+N”???????,???????????,???????“??????????+”??????????????,???????????

???????????????????,?????,?“?????????????????????????????”????????????????,???,???????????,??1000????????????????????????

????????????,??“??????????????????????????????????????????????????????????????”?????,???????????,???,????(???????????????????) ?????:???? “???????”_????

?? ?????????????

????:1????????:??????vx

2???????

3???????????

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

5???????

??12?1??????????????????? (??????????????????? ???)11?????30??,??????????????,??????????????????,??,?????????????????????????,????????????????????,?????

?????????,2022????7?????6???????????????????,?????????????????

“??????,???‘??’???”???????,?????????????3.35m????5m??????????,?10?????????????????????????,???????????19????,????????????????????????????????????????????

??,????,?“??”??,“??”“??”“???????”???????????????????

??,???????????????????,?“????”“??????????????????????”,?????“?????????????????????????????????????”,???????“3+1+N”???????,???????????,???????“??????????+”??????????????,???????????

???????????????????,?????,?“?????????????????????????????”????????????????,???,???????????,??1000????????????????????????

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