??: ?????/??: 2020-05-04
??????????????????????????4???????????????????FEMA?????????6?1??????????3000?????????
?????????FEMA??????????????20??????????????????2.5???
????????7??????????????????????????????????????
?????????????????????Judd Deere????????????????????????????????
?????3??????????????????????????????????????"?????"???4??????????????????????????????????????????3??????????????????????10???
????????????(Johns Hopkins University)?????????5?4???5???????????356??????25???????????117??????6.8???
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