???????20???????

????:??????????:??90???????

??9?????26????? ???,????????9??25???????,??20????????????????????????????????,3???????12.5??????,?2.517%;7?????????7.5?????,?2.738%????????????,??,???????????????162??,??8.1?????,?????????????????????????????????51%?36%?5%?8%,??????????????26%?51%?4%?19%?????????????????????????????(CMU),???????

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