几何学

jǐhéxué

geometry

几何线

jǐhéxiàn

geometric straight line

几何量

jǐhéliàng

geometric quantity

代数几何

dàishùjǐhé

algebraic geometry

内在几何

nèizàijǐhé

intrinsic geometry

分形几何

fēnxíngjǐhé

fractal geometry

射影几何

shèyǐngjǐhé

projective geometry

平面几何

píngmiànjǐhé

plane geometry

几何光学

jǐhéguāngxué

geometric optics

几何原本

JǐhéYuánběn

Euclid's Elements

几何拓扑

jǐhétuòpū

(math.) geometric topology

几何级数

jǐhéjíshù

geometric series

微分几何

wēifēnjǐhé

differential geometry

投影几何

tóuyǐngjǐhé

projective geometry

曾几何时

céngjǐhéshí

just a while before

欧式几何

Ōushìjǐhé

Euclidean geometry

球面几何

qiúmiànjǐhé

spherical geometry

画法几何

huàfǎjǐhé

descriptive Geometry (three-dimensional geometry using projections and elevations)

立体几何

lìtǐjǐhé

solid geometry

罗式几何

Luóshìjǐhé

hyperbolic geometry