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Sentence analysis
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Sentence
Span Details
層
layer; stratum; seam; bed; class; bracket; group; sheaf; counter for stories (of a building)noun, noun suffix, counter
の
possession, attribution, nominalizer, or nominal linkergrammar
理論
theorynoun
は
topic markergrammar
代数幾何学
algebraic geometrynoun
で
location, means, or scope markergrammar
重要
important; essential; significantna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
役割を果たす。
play a role; serve a function; play a partexpression, verb