????:1??????:??400????

2???????

3????????

4?????????

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

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

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

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

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