“积分”造句

他毕业时各科成绩的平均积分点为3.8。
He graduated with a GPA of 3.8.

通用的纯粹机械的积分器是圆盘滚柱型.
A common purely mechanical integrator is the disk - roller type.

与微分相反的运算叫做积分.
The operation that is the inverse of differentiation is called integration.