单词	concave
释义	Concave Curved inwards. Example: A polygon (which has straight sides) is concave when there are "dents" or indentations in it (where the internal angle is greater than 180°) Think "con-cave" (it has a cave in it!) Try adjusting the points below to make the shape concave: See: Convex
随便看	law of cosines law of large numbers law of sines laws of exponents lcm leap year lease least least common denominator least common multiple least squares regression lemma length less than lhs liability light-year like terms limit line line graph line of best fit line plot line segment line symmetry

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。