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

2????????

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

4??????????

5??????????

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

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

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

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

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