?? ?????? ?5.4??????????
????:1??????????:??????
2?????
3???????
4???????????
5????????????
??11???????22??? ?,?????22??????????,?5.4?,????“?????”?
?,??????????22??18???45???20??22????20???40??????????20??43????????????21????????????29???,?20?40??????????5.4?,??????????23.2???????????120.18?????,??23.2?,??????????7.7???
?????????,?,?????????????????????????,???????????????,?“??????????”???????????,???????
??????????????????,??“?”,?“???????????????????”?
?,22?20???????????????????40??????4.7????????(?) ??:??