????:1?????????:?????????

2???????

3???????

4????????v?

5?????????

??????6????27?? (? ???????)?27???????????,6??26??8??????????????6?27?8?,???,???????????????????????????????2?????5??????,??????????????????????????????????9?10??0.01?1.23?????

27?????????8?,??????????????????4?5??0.01??0.77??;?????17.98????????,??????24900???????,???????????????

??,??24????,??????????0.5?????1?????????????,???????????2024?3?????,?????????1.5????

???6???????27??9??,?????,???????(????) ??:???????