??(ABC)???????,???????????????1?30??????????,??????????????????????????

?1???????????????29??,??????64???,?????3???“???????”???????30????,??????????????????????1????????30?,???,??????

(???????????? ???????? ??????? ???)

??:????

“?????????”_????

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

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

2?????

3??????????

4???????

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

??(ABC)???????,???????????????1?30??????????,??????????????????????????

?1???????????????29??,??????64???,?????3???“???????”???????30????,??????????????????????1????????30?,???,??????

(???????????? ???????? ??????? ???)

??:????