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Sentence
Span Details
基本波
fundamental wave; fundamentalnoun
に
direction, time, indirect object, or target markergrammar
高調波
harmonic; higher harmonicnoun
が
subject markergrammar
重なっ
be piled up; lie on top of one another; come one after another; accumulate; pile up (abstract); overlap; coincide; happen at the same time-> 重なるgodan verb
ている。
ongoing or resultant stategrammar