单词	fraction
释义	fraction The fraction a/b, where a and b are positive integers, was historically obtained by dividing a unit length into b parts and taking a of these parts. The number a is the numerator and the number b is the denominator. It is a proper fraction if ab. Any fraction can be expressed as c + d/e, where c is an integer and d/e is a proper fraction, and in this form it is called a mixed number. For example, is a mixed fraction (equal to 7/2). See also compound fraction, continued fraction, simple fraction.
随便看	diffeomorphism difference difference equation difference of two sets difference of two squares difference quotient difference sequence differentiable function differentiable function differential calculus differential equation differential form differential geometry differential operator differential topology differentiation differentiation under the integral sign diffusion equation digit digital digital computer digital data digital root digraph dihedral

数学辞典收录了4151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。