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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
では、
contrastive で + は; then; well thengrammar
染色体突然変異
chromosomal mutation; chromosomal abnormality; chromosomal disordernoun
の
possession, attribution, nominalizer, or nominal linkergrammar
発生率
incidence rate; frequency of occurrencenoun
を
object markergrammar
調べ
examine; look up; investigate; check-> 調べるichidan verb
た。
past tense or completed actiongrammar