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????:1?????????????:??100??????
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3????????
4?95?98?????
5?????95?
?????????????2???????????????18??????????????????? (????????????????????????????????? ???????????????????)??18????????????????,??????«???????????????????»????????,???????????????????????????(HGT)??????,???
?????????????40%?????????????????????,?,??????????????????????????????,?????????????????????;????????????????????????????????,????????????
??????????????,????????????????B.bullatus???B.minor???
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