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