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Sentence
Span Details
平面波
plane wavenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
波面
wave surface; wave-frontnoun
は
topic markergrammar
進行方向
direction of travel; direction of movementnoun
に
direction, time, indirect object, or target markergrammar
垂直
vertical; perpendicularna-adjective, noun
な
adnominal form of the copula after a na-adjectivegrammar
平面
plane; level surface; flat surfacenoun
である。
formal copulagrammar