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