?? ????????? ????????????
????:1????????????:????????
2???????
3?????????
4???????
5???????
????:??,????????????????,???????????,?????????????????????,???????????????“?????????”???
???????,??????,?????,??????????????????????????????????????????,??????????,??????????????????
???,???????????????????,??????????????????????????????
???????????????:????? ???“???”
???????????????,??,?????,????
????????????????,???????????????????“???????”?????5A??????????????????“??????????”????,??????,???,???????????????
??,???????4.2???????????????????????,????????????,?????????????
??,???????5????,??3?????????,?????????? ???????:???