????:1??????????:????????

2????KB???

3?????vx

4????????

5???????????

6???????12????????????????????????????????????????,????????6????????1???“??”,????????????????6???????1????,?????“????????”??????,??????????????

???,??,????????,?,????????,??????????????,???????????????“?”,???,????,?,???????????????4????????????28???????????????????,??,????????,???????????

(?????????????????????? ??? ???? ????)

?????????????:?????