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

2???98?????

3??????

4??????????

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

???????6??17? ????,????17?,??????Realmeter???,????30.1%,??66%?

???,Realmeter??10??????14????18?2504??????????????,??30.1%,???1.4?????????????,????10??????30%~35%????;??66%,?0.9??????????????

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