closed segment 中文意思是什麼

closed segment 解釋
閉線段
  • closed : adj. 1. 關閉著的，封閉著的；密閉著的；保密的。2. 〈美國〉準備好了的；定了契約的。3. 【語音】閉音節的。
  • segment : n 1 （自然形成的）段落；斷片；部分；分節；段；節。2 【數學】（線）段；弓形。3 圓缺；球缺。4 環節...
  1. Methods a retrospective survey was done in 68 complicatedly injured eyes undergoing routine closed vitreetomy due to vitreous opacity with massive hemorrhage, or with traumatic retinal detachment and proliferative vitreoretinopathy ( pvr ), foreign bodies in posterior segment, endophthalmitis, posterior - dislocation of lens and so on, and most of them received the combined operations simultaneously

    方法回顧分析復雜眼球外傷68隻眼，因玻璃體大量積血混濁、伴外傷性視網膜脫離及增生性玻璃體視網膜病變（ pvr ） 、眼後段異物、眼內炎、晶體后脫位等病變，行常規閉合式玻璃體切除術，同時根據不同伴隨病變聯合相應的手術治療。
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