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Sentence analysis
11Spans
Sentence
Span Details
レトロウイルス
retrovirusnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
増殖
increase; multiplication; propagation; proliferationnoun, suru verb
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
逆転写
reverse transcriptionnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
過程
process; course; mechanismnoun
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
である。
formal copulagrammar