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Sentence
Span Details
低温物理学
cryogenics; cryophysicsnoun
は
topic markergrammar
超伝導
superconductivitynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
に
direction, time, indirect object, or target markergrammar
欠かせない
indispensable; essential; vital; crucialexpression, i-adjective
分野
field; area; domain; branchnoun
だ。
plain copulagrammar