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

2????????

3?????????

4????????

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

?11?22????????????? (????)22?????????,???????????????????“????????? ???????”?????????????,????????????????????,??“???????????,??????”,????????????????,??????????

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

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

??,????“????????????????????”???,?????????????????????????,?1??,2????????????;???????7?????(????)??????,?????,???????,???,????????????,???32.8?????,?,?????????????????36???????????,?????????250?????????????

????????????,??????????,???,??????????(B????)???????????,???????????59.6%?????,???????????,???????????????????

???????,????????????????????????????,??????????????5??22?????????,???????????????216???????,??110?????????????????,????????????????????“???”???????44??????

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

??????:????