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Sentence analysis
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Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
研究
research; study; investigationnoun, suru verb
は、
topic markergrammar
視覚系
visual systemnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
発達
development; growth; progress; advancement; expansion (of a weather system); developmental disability (slang); person with a developmental disability (slang)noun, suru verb
過程
process; course; mechanismnoun
を
object markergrammar
調べ
examine; look up; investigate; check-> 調べるichidan verb
ている。
ongoing or resultant stategrammar