方说他检查了加州理工学院的校友名单和网上的博士论文数据库，但在这两者中都没有找到唐的名字。
Fang said that he had checked the Caltech alumni list and an online doctoral dissertation database, but had failed to locate Tang's name on either one of them.
方说他检查了加州理工学院的校友名单和网上的博士论文数据库，但在这两者中都没有找到唐的名字。
Fang said that he had checked the Caltech alumni list and an online doctoral dissertation database, but had failed to locate Tang's name on either one of them.
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