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精编密训教材，分阶快递。antiderivative 原函数a representation, usually in symbolic form, of any function whose derivative is a given function.
tangent 切线，斜率，正切a line or a plane that touches a curve or a surface at a single point.
chain rule 链式求导法the theorem that defines the method for taking the derivative of a composite function.
concave downward 向下开口part of a graph resembling an upside down bowl.
concave upward 向上开口part of a graph resembling a right side up bowl.
continuous 连续being in immediate connection or spatial relationship.
critical point 临界点point on the graph where the derivative is either 0 or undefined.
cylindrical shell method 旋转体积圆筒积分法technique for finding the volume of a solid of revolution.
definite integral 定积分the representation of the difference in values of a primitive of a given function evaluated at two designated points.
derivative 导数，求导，导函数the change of a function with respect to an infinitesimally small change in
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