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Sentence
Span Details
B52
B-52 Stratofortress; B-52 Bomber-> Ｂ５２noun
は
topic markergrammar
冷戦時代
Cold War eranoun
に
direction, time, indirect object, or target markergrammar
開発
development; cultivation; application; exploitation (of resources)noun, suru verb
され
passive, potential, or respect auxiliary-> されるgrammar
た
past tense or completed actiongrammar
戦略爆撃機
strategic bombernoun
だ。
plain copulagrammar