Clearly, the difference operator or sum operator is the convenient tool for the polynomial of factorial powers.
显然，差分算子及其逆算子是阶乘幂多项式的方便工具。
In comparison with the differential operator and its inverse - integral operator, the difference operator and its inverse (sum operator) are discussed in this paper.
与微分算子及其逆算子积分算子作比较，讨论了差分算子及其逆算子(和分)。
This tends to be a zero-sum game that benefits customers only, and leaves the operator with the least cash broke.
这往往是一种零和游戏，受益的只有客户，经营者则会资金散尽。
Use a Transform operator to sum all the order amounts within a year.
使用Transform运算符加总一年内的所有订单量。
Use a Transform operator to sum all the order amounts within a year.
使用Transform运算符加总一年内的所有订单量。
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