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

2?????vx

3????????

4?????????

5????????

?????12??2?? (? ????????????????????)?????2????????????????????????????????????,???????????????,??1.1??,????????????????40%,??????????(?????????)????????????152%,?????

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

?????????,?,??,????????????,?????????????,??????????????????????????????????????????????????,?????????1003????,?????“??????????????”?????????,??3.63????????,??25.9%?

????????????,????????????,??????????????“??”,?????,??????“?????”???,???????????????????????????????,????,????????????????????????????????????????????,????????????,?????????????1.1???????????,????????40%,??(?????????????????????)???152%,???????????????2000??????????????,????????

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

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