?? ?????:1???????????????????5?80%
????:1??????????:?????????
2????????
3???????????
4??????????????
5?????????
??6???????????????????18???????6???????????????,?3???,????????????????,?,7?????????????????????????????????????????????????4?????,31??(??????????????????????????)????????1-5????,?????????????????????????17.5%,????????????50%;1-5??????????????????,????80%,??????????????,???????,????????????????????(?????????????)
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