?? ???????????????????????
????:1???????150?????:????
2?????????????
3??????????
4???????
5??????
????????????????2??2???? (????? ????)2????????2?,???????????????????,????????,???,????????,??
??????,?????????????????????????????????,?2?1???????,?????,????????????2????2??,???????????????????,????????????????????,??????????,???????????????????
?,2????2?????????,??????,?S2???G5??????G4215??????,??????????????,G42????
??????,???????????????,??????24????????,??????“????”?????????????,????????????????????????,???????????
??????????,???????????,??,??????????????,???????????,???????????????????????,?????????????????????,??????????????????????????????????????,?????????????????,???????????????,???????????(??)
?????:??????????