děng​chā​jí​shù

arithmetic progression; arithmetic series

Senses

等差级数/ 等差級數 děng​chā​jí​shù arithmetic progression; arithmetic series

a series of numbers where the difference between any two consecutive terms is a constant value

References

same_as 等差级数/等差級數 算术级数/算術級數
same_as 算术级数/算術級數 等差级数/等差級數