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

2??????

3????????

4?????????vx

5????????

???2???????????????3????? (? ?)??3????????????????,??(37.429??????)??25928??????????????,???????25600???????328?????????????

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

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

?,??????????,?????????3000?????????,????????????????????????30%,?10%????????????????????????15%???,??,???,?“???????”??????,??????????(??????????????)

??????:???