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

????:???????150??:?????????

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