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Sentence analysis
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Sentence
Span Details
長年
many years; a long timenoun, adverb
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
で
location, means, or scope markergrammar
洗練された
refined; polished; elegant; sophisticatedexpression, noun-modifying
技術。
technology; engineering; technique; skill; art; craftnoun