????:1????????????:?????

2??????????

3???????????

4?????600?????

5?????

??2???????????????????2????????????????? (?????????? ???????????)2????????????????2??????????????????,?????????????,??????????????,?????????????,??????,???????

????,???????????

?,???2??????1?,??,???2??????????????2???,???,?,?????,????????

?????????????,2??????2????,???????????,????S2??G5?????G4215????????,????,G42??????????

??????,?????????,????????24?????????,??“????”????,?????????????????????,???????????

?,??????????,??,????????????????????,?????,???????????,???????????????,???????????????????????????????????????????????????????,??????????????????????????,?????????????????????????????????????,???????????(????)

???:????