aggregate class造句

Engagement data is tracked for individual activities and automatically compiled into individual student and aggregate class reports.
Classes are held mainly in Hungarian, except for the Roma community, for which one aggregate class of the first elementary grades is maintained in Romanian.
Like De Morgan he uses the notion of " variable " drawn from analysis; he gives an example of " represent [ ing ] the class oxen by " x " and that of horses by " y " and the conjunction " and " by the sign + . . . we might represent the aggregate class oxen and horses by " x + y " ".
It's difficult to find aggregate class in a sentence. 用aggregate class造句挺难的