?? ??????:?????????? ??????30%
????:1????????:?????????
2?????
3????????????
4?????????
5?????????
????????“??”??,“????”?????
?,10?????17367??????,????30.8%,?????????????63.0%,?????
???????????,??????,10????????1??10????????????????30???????,??,??1:10?1:13,???
????????????,?????????,10?1?????27??????,??????????????????????????48?????????,???9????????????48%?
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