????:1?????????:??95???

2?????????????

3?????????vx

4?????????

5???????

????10??14???????????????? (????????????????? ???????)?????14???????,????,???????????????????????

?????????????????????,????????,??,??,?????????,????????????????????,????????????????

???????????????,9???1.6%,???????6?????????,??????

???,9??????????,?????????,????????,?????????????,??????,???9??????????????????????,9??????

?????????????????,????????????????????,??800???,69%??????????????????????(???) ???????????????:??????????????????