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

2?????????

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

4????????VX

5???????????

?????????????????????11?????22???????? ?????22????????,?????????????????,??????

??????????????,????????,???????????29??,???????????????????15???????????,?????????

?,??????,???,??????????????????????,????????????????????,????818.6?????????????,???48.8%;????,?????????????488.5????,????????????????????78.6%?

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