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Sentence analysis
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Sentence
Span Details
物理工学
physical engineeringnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
知識
knowledge; informationnoun
は
topic markergrammar
半導体
semiconductornoun
開発
development; cultivation; application; exploitation (of resources)noun, suru verb
に
direction, time, indirect object, or target markergrammar
不可欠
indispensable; essential; vitalna-adjective, noun
だ。
plain copulagrammar