?? (??????????????????????)??????
????:1???????:????????
2??????vx
3??????????
4????????????
5???????????
????????????6??16???? (??????????? ?)???16?????,???
?????????????????????????????,?,???????????????3????????????
6?????16??????????????,????????????????????????????? ????????? ??????????????5??,??,????????????????????“??,???????????????????????????????????????”?????,?????????,?????????????
???,??“?????????????,?????”?????
6??16????,?????? ???????? ??????????????????,??????????????,20??????????????????4???????????????????????????????????????,?,??,????
“????????????????????,??????????”???????????????????????,??????????????????????,????????????????????,????????????????,????????????????
????,?????????????“??????????????????????????????? ??????”????????????????,??????????????,??????(?)
??:??????