Last Updated
：2026/01/03
射影幾何学
Hiragana
しゃえいきかがく
Noun
Japanese Meaning
空間を射影変換まで同値とみなして研究する幾何学の一分野。遠近法に現れるような性質を扱う。 / ユークリッド幾何学を拡張し、無限遠点を導入して直線や平面の交点を包括的に扱う幾何学体系。
Easy Japanese Meaning
ものをならべたときのかたちや位置だけを考える数学の一分野
Chinese (Simplified) Meaning
研究射影变换下不变性质的几何分支 / 以投影关系、点与线为核心的几何理论 / 引入无穷远点统一处理平行与交点的几何
Chinese (Traditional) Meaning
研究投影與射影不變性的幾何分支 / 以射影空間與射影變換為核心的幾何學 / 不考慮度量，只關注共線、交點、交比等性質的幾何
Korean Meaning
사영 변환에 대해 불변인 성질을 연구하는 기하학. / 점·직선·교점 등의 사영적 관계를 다루는 기하학의 한 분야. / 원근법과 투영에서 보존되는 성질을 탐구하는 학문.
Vietnamese Meaning
hình học xạ ảnh / ngành hình học nghiên cứu các tính chất bất biến dưới phép chiếu
Sense（1）
projective geometry
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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射影幾何学
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Projective geometry is a branch of mathematics that studies geometric objects such as points, lines, and planes and their relationships.
Projective geometry is a branch of mathematics that studies geometric objects such as points, lines, and planes and their relationships.
See correct answer
射影幾何学は数学の一分野で、点、直線、面などの幾何学的対象とその関係を研究します。
Japanese - English
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