integrand

Where is called the integral sign, is called the integrand, and is the integral variable.
其中被称为积分号，称为被积函数，被称为被积表达式，称为积分变量。
Determine the convolution integral and corresponding points on the integrand is two convolution integral calculation.
确定卷积积分的积分限和在相应区间上的被积函数是计算卷积积分的两个难点。
Firstly, the relevant theories of the variation and integrand are introduced.
本文首先介绍了变分与变积的相关理论知识。
Within its integrand, however, an unknown circulation is included so that it becomes an integral-differential equation.
方程中的被积函数包含待求环量的导数，是个积分-微分方程。