单词	pie chart
释义	pie chart Suppose that some finite set is partitioned into subsets. A pie chart is a diagram consisting of a disc divided into sectors whose areas are in the same proportion as the sizes of the subsets. Florence Nightingale helped popularize the pie chart, though it was first introduced by William Playfair in 1801. The figure shows the kinds of vehicles recorded in a small traffic survey. A pie chart
随便看	decision theory decision tree decision variables deci‐ declination decompose decomposition decreasing function decreasing sequence Dedekind cut Dedekind, (Julius Wilhelm) Richard deduction deficient number definite integral deformation degenerate degenerate conic degenerate quadric degree degree degree degree degree-genus formula degrees of freedom degrees of freedom

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。