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

2???????????

3???100????????

4??????

5??????????

??????????9??27? (?? ??)???????????????27?????????????,????,?19.4??,????2.77???????????

????????,???????????????80%,??????????????15.26?,?20%?????????,?????????

???????????????????10??????????1??,????????????????????????10??????5???????????????????????????????,??9????????????????30???,??????,???????????,?????,??????

??????????????,????????,???????????????????

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