????:1?????ppt:????????????

2?????????????

3???????

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

5?????????

??????7????????15?? ???????????????????????????:???

????? ????

???????????,?????960?????????,???????

????

?????,???????,?13.34????,???????????10.7????????????????2.4??????2.9???????????????????????

2021??4????????????26?????????????????,??,????? ?????? ????? ????

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

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

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

??????????????,??????????????????????:??????????,????,??????“?????????”;?,??“?”;??,??“??????????????????????”???????????,????????????????“?”;????????????,???????????????????????,????????????????“????????????????????”????……

2023??4?????????11?,??????????,??????????????? ?????? ???????????? ??????

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

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

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

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

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

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

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