单词	conic section
释义	Conic Section A section (or slice) through a cone. By taking different slices through a cone we can get: • a circle (plane perpendicular to the axis of the cone), • an ellipse (plane slightly tilted), • a parabola (plane parallel to the side the cone) or • a hyperbola (plane cuts both top and bottom parts of cone).
随便看	halve handspan harmonic mean hect- hectagon hectare (ha) heft height helix hemisphere hendecagon hepta- heptagon hexa- hexadecimal hexadecimal number hexagon hexahedron highest common factor hindu-arabic number system histogram horizontal horizontal flip hour hour hand

数学辞典收录了1200条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。