?? ?????? ?5.4??????????
????:1?????????:??????????
2???1?????????
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??????????(?) ??????:??????????