? ??????5.4??????????

????:????:????????????

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