单词	cardioid
释义	cardioid The curve traced out by a point on the circumference of a circle rolling round another circle of the same radius. Its equation, in which a is the radius of each circle, may be taken in polar coordinates as ). In the figure, OA = 4a and OB = 2a. The cardioid
随便看	Poisson distribution Poisson process Poisson's equation Poisson, Siméon-Denis Poisson's integral formula polar polar coordinates polar decomposition polar equation polar form of a complex number pole pole Polya, George polygon polygon of forces polyhedron polynomial polynomial equation polynomial ring polynomial time polytope Poncelet, Jean-Victor pons asinorum pooled estimate of variance population

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。