?? ??:???12.7?????????????????
????:1?????:??????
2?????
3?????????
4??????
5?????
???11??27????? (?????????????????????? ?????????)???????????27????????,?????????????????????????????????????,???,?????????????????????????12.7??????????????15??????
11?27????????????????,??????“?? ??????”????????? ???? ??“??????????,???????????,??”?,?????????,????“?????????????”???????????,???“??????????”???????“????????”???,??????????
??,“???????????”?,??????????4.7???????????????,???????????????3.5???????????3.4?????????????,??“??”???????,??(??????)
?????:???????????