??6????????????16??? ???????(ABC)???,???15??,????????,?,??????????2???????????

???,?,?????????????????????????12???35?????????,???????????L12????????????????

“????,??,??,???????,”???????????????

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

??????????,??????? ??:???? ??“??qm??????”????

?? ???????????!?? ?2???

????:1???qm??????:???????v?

2?????????

3????????

4???????

5????????????

??6????????????16??? ???????(ABC)???,???15??,????????,?,??????????2???????????

???,?,?????????????????????????12???35?????????,???????????L12????????????????

“????,??,??,???????,”???????????????

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

??????????,??????? ??:????