arithmetic operators progression算子级数法
arithmetic c progression等差数列
differential arithmetic operators progression method微分算子级数法
n order arithmetic progressionn阶等差数列
high arithmetic progression高阶等差级数
sum of arithmetic progression算术极数的和
summation of arithmetic progression[数] 算术级数求和
arithmetic-geometric progression算术几何数列
N(名词) a sequence of numbers or quantities, each term of which differs from the succeeding term by a constant amount, such as 3,6,9,12 等差数列 → compare geometric progression