??????????C????C??L-????,????????????,????????,????????????,????????????
2????C???
2.1???????:?????????,????????????,???????????????
2.2??????:???????VC???????????????????,?????????????,????????????????????????????????VC??,???????,????????????????????,????????;??????????????????????????????????????????,?????
2.3??????????:?????????????????????,?????????VC????????????
3??C????????
3.1???????
???C???????,?????????1~2??,????????;??,?????C????,??????C????,?????????,?????????????,?????????
3.2?????????????????
???C??????????????,?????????????????????,??????C????,??????????C??????????
3.3????????
???C??????????????,??????????????????????B2,????????C?????B2??,????B2???,?????????
1???
??????,????????,??????????????????,??????????????????,????????????,???????????,??????????
2???
????????????????????????????,?????,?????????,??????????????????,????,???????????,???????????????,??????,???????????????
3???
?????,???,???????????????????????,??,??????,????????????????,???????????????????,?????????????,??????
4????
?????????,????????,????????????????,??????,????,????????????
1????????????,??????????,?????????????????
2????????????????????,????,?????
3????????????,??????????????????,???????????????
4???,?????;??????,????????????????????????
5????????????????????????,???????????????,???????????
6??????????????,???????B?,????????,?????