???????????11??????????????22?????? ?????22?????????????,?????????????,??????

?????,????????????????????,?????????29????????,????????????????????????????????????15?????????????????????,????????????

????,???,?,?????????,????????????????????????,??818.6???,???48.8%;????,?488.5?????????????,???????????????78.6%?

“??????,??????????????????,????????,??????????????”????????????????????? ??????:???? “????????vx”????

?? ???????????:????818.6???,???48.8%

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

2???????

3????????????

4?????

5?????????

???????????11??????????????22?????? ?????22?????????????,?????????????,??????

?????,????????????????????,?????????29????????,????????????????????????????????????15?????????????????????,????????????

????,???,?,?????????,????????????????????????,??818.6???,???48.8%;????,?488.5?????????????,???????????????78.6%?

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