?? ???4.8?????? ????“??????”
????:1?????????:??????
2????????
3??????????
4?????VX
5??????
???,???????????????6???12??8???26??????49?????,????????????4?????4.8???????35.7?,???????????????126.71??
?,??“?????”,?????
????,??“?”??????????????????????????“???????????????????”?“??”?“?”?“?”?(??????????????? ??)
????:????