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bn:03568807n
Noun Concept
JA
円錐面  円錐曲面
EN
In geometry, a conical surface is the unbounded surface formed by the union of all the straight lines that pass through a fixed point — the apex or vertex — and any point of some fixed space curve — the directrix — that does not contain the apex. Wikipedia
Relations
Sources
IS A
線織面
EN
quadric surface
Wikidata
JA
円錐面
Wikidata Alias
JA
円錐曲面
Wikipedia Translations
JA
円錐面

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