????:1????????????:????vx

2??????

3??????????

4???????

5????????

?????????12????????????????????28??? (?? ??? ???????????????? ??????????????????????)28???????,????????????????????????????????????????????,????????“?????????”?????????????,?????????????,????????????

???????????? ?

???????????????,????????????????,????,??,??????????????,???11??????,“???????????????”?????????????????,????????????????????,???,????????,????,???????????????,??????????????????

????????????? ???????

?,??,??????????????????????????????,???????????,???????????,????;?????????????????????????????,???????,???????????????6?????????60??????7????,???????????????????????,“?????”“???”“?”???“????????????”???????“?????????????”?????????????????,??????????????,??????,?????

?????????,???,????????,??????????????????????????,???????,???????????????????“??????”“??????”“????????”????????,???????????????????????????,????????????????,??????(??????????????????????????)

?????:??