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

2????150???????

3?????vx

4??????????

5?????????

10???????5??,??,??????????10?????????????????????4??????24??,?????????5.7????600?,??????58.1%?55.2%???????????????,???400????????,???????????47.6%?

???,??,?3.3??,??58.1%,??????????????????????????

????????????,10???????????6????10?????????7??,??5??????8??10???13??????????????????,??,?,??????????????????,?12367???????????

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

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