五分赛车

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2.52亿年前二叠纪末植物大灭绝事件有新说

zuixinfaxianyuchuangxin

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zaichaoguo45yiniandediqiuyanhualishizhong,fashengguoduocishengwudajuemieshijian,qizhongyue2.52yinianqiandeerdiejimoshengwudajuemieshijianshizuidadeyici,zaihenduandeshijiannei,zaochengchaoguo95%dehaiyangwuzhonghechaoguo75%delushengjizhuidongwujuemie,shishengwujiewanchengleconggushengdaiyanhuashengwumianmaodaoxiandaiyanhuashengwumianmaodeguodu,duishengwujiedeyanhuachanshenglejiqishenyuandeyingxiang。

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