definite Riemann integral黎曼定积分
definite e integral定积分
definite-integral circuit定积分回路
trigonometric definite integral[数] 三角定积分
A definite integral一重定积分
definite integral method定积分法;定积分求
Calculating Definite Integral计算定积分
definite integral definition定积分的定义
definite integral limit worth定积分界值
N（名词） the evaluation of the indefinite integral between two limits, representing the area between the given function and the x-axis between these two values of x 定积分
N（名词） the expression for that function, ʃ(x)dx, where f(x) is the given function and x = a and x = b are the limits of integration. Where F(x) = ʃf(x)dx, the indefinite integral, ʃbaf(x)dx = F(b)–F(a) 定积分表达式