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Sentence analysis
7Spans
Sentence
Span Details
動画像
video; moving imagenoun
圧縮技術
compression technologynoun
は
topic markergrammar
通信
correspondence; communication; transmission; signal; telecommunications; news dispatch; report; newsnoun, suru verb
に
direction, time, indirect object, or target markergrammar
不可欠
indispensable; essential; vitalna-adjective, noun
だ。
plain copulagrammar