abbr. 光
用（Optical Time Division Multiplex）
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apomyelin, apomyoglobin, apomyttosis, aponal, aponea, aponeurology, aponeurosis, aponeurositis, aponeurotic, aponeurotome,
相似单词
Otaru, Otary, OTB, OTC, OTD, OTDM, OTDR, OTEC, otectomy, Otek,