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Sentence analysis
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Sentence
Span Details
復帰
return; comeback; reinstatement; carriage returnnoun, suru verb
変異
unusual occurrence; anomaly; variation; mutationnoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
頻度
frequency; rate of occurrencenoun
を
object markergrammar
測定
measurement; measuringnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar