单词	frustum
释义	Frustum Usually a pyramid or cone with the top cut off flat. But can be any part of a solid between two parallel planes. (Sometimes mispelled "frustrum".) See: Truncated
随便看	notation nought number number line number pattern number sense number theory numeral numerator numerical analysis obelus oblique oblique cone oblique cylinder oblique prism oblique pyramid oblong obtuse angle obtuse triangle octagon octahedron octal odd number odds odometer

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。