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Presidium (n.)
[Presidium 词源字典]
permanent administrative committee of the U.S.S.R., 1924, from Russian
prezidium
, from Latin
praesidium
"a presiding over, defense," from
praesidere
(see
preside
).
[Presidium etymology, Presidium origin, 英语词源]
[Presidium 词源字典]