????????,?????????10888.5?,?????????

???110????????????????,????????4.54??????????????15.1%??????????????????????????????????????38??,????????????????,??,??????????????????????,???????

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

???????????:??? ??“??????”????

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

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

2??????vx

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

4????????????

5??????????

????????,?????????10888.5?,?????????

???110????????????????,????????4.54??????????????15.1%??????????????????????????????????????38??,????????????????,??,??????????????????????,???????

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

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