?? ?????????? ??????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????(?) ???????????:??????