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