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Sentence analysis
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Sentence
Span Details
化学反応
chemical reaction; unexpected synergy; surprising outcome from combining thingsnoun
は
topic markergrammar
フェムト秒
femtosecondnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
時間
time; hour; period; class; lessonnoun
スケール
scale; vernier calipernoun
で
location, means, or scope markergrammar
起こる
happen; occur; arisegodan verb
ことがある。
have done (something); something has occurred; sometimes; there are times when-> 事があるexpression, verb