单词	theory
释义	Theory A set of ideas that explain something. In Mathematics a theory is the set of theorems and principles that make up a branch of mathematics, such as Number Theory, Set Theory, etc. In Science a theory is well understood, has been properly examined, and can be tested again and again and always works, such as the Theory of Gravity. But in everyday language a theory is an explanation that may be true but has not been properly tested. So be careful about this confusing difference! See: Theorem
随便看	wave wavelength wealth week weekday weekend weight welfare whole whole number wholesale price width winter word wrt x x axis x coordinate y axis y coordinate y intercept yard year yield yocto-

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。