?? ?????????? ??????5.4?
????:1?????????:????????
2???????????
3???????VX
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??(??????????) ???????????????????:??