1 中文英文 中文英文函数function 逆时针方向counterclockwise 定义域domain of definition 轴axis 值域range of function 象限quadrant 极限limit 变量variable 极限值limit value 常量constant quantity 发散diverge 坐标轴axis of coordinates 收敛converge 横坐标abscissa 连续性continuity 纵坐标ordinate 连续函数continuous function 锐角acute angle 左连续continuity from the left 钝角obtuse angle 开集open set 平角straight angle 闭集closed set 直角right angle 闭区间closed interval 圆circle 区间interval 半径radius 一元函数function of one variable 直径diameter 多元函数function of several variables 三角形triangle 内点inner point 斜率slope 孤立点isolated point 无穷小infinitesimal 邻域neighborhood 无穷大infinite 导数derivative 正positive 偏导数partial derivative 负negative 微分differential calculus 凸convex 全微分total differential 凹concave 偏微分partial differential 椭圆ellipse 积分integral 双曲线hyperbola 微积分infinitesimal calculus 曲线cu