"He" . . . . _:B31fbd61a48cf711561d47a73d81e24a8 . "1943"^^ . . "Jifeng He" . "Jifeng" . "He, Jifeng (1943-)" . _:B31fbd61a48cf711561d47a73d81e24a8 . _:B31fbd61a48cf711561d47a73d81e24a8 . _:B31fbd61a48cf711561d47a73d81e24a8 "2023-05-22"^^ . _:B31fbd61a48cf711561d47a73d81e24a8 . _:B31fbd61a48cf711561d47a73d81e24a8 . _:B31fbd61a48cf711561d47a73d81e24a8 "364477768" . _:B31fbd61a48cf711561d47a73d81e24a8 . _:B31fbd61a48cf711561d47a73d81e24a8 . _:B31fbd61a48cf711561d47a73d81e24a8 .