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Sentence analysis
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Sentence
Span Details
原子核分裂
nuclear fissionnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
20世紀
twentieth century-> 二十世紀noun
に
direction, time, indirect object, or target markergrammar
大きく
greatly; significantly; on a large scale; widelyadverb
進展
progress; development; advancenoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar