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1·We first introduce methods of finding the sum of the first n terms for an arithmetic sequence of higher order.

我们首先介绍了高阶等差数列前 n 项和的求解方法。

2·We first introduce three methods of finding the sum of the first n terms for an arithmetic sequence of higher order, and then display another method by some formal derivatives of which are defined.

首先，简要介绍了三种主要的求和方法。然后，根据高阶等差数列通项的特性，利用新定义的形式导数列对其进行了有效的探讨。

3·Based on the arithmetic of differential protection and simulation technique, this paper analyses the influence of the negative sequence to power system.

在结合微机差动保护装置算法及仿真建模的基础上，分析了负相序对差动保护的影响，并给出了相应的处理方法。

4·Assembly language instruction sequence perform arithmetic, and jump instruction by changing the program counter value to execute the conditional statement and circular statement.

汇编语言依序执行算术指令，而跳转指令可以通过改变程序计数器的值来执行条件语句和循环语句。

5·Considering the imbalance of three phase voltages, a new arithmetic which verifies the generator paralleling based on the synthetic phasor of positive sequence fundamental voltage is proposed.

考虑到三相电压或多或少有些不平衡，提出了一种新的基于正序基波电压合成相量的发电机并网条件核算法。

6·It's based on prime sequence arithmetic.

这种码基于素数序列运算。

7·This circuit is implemented on a monolithic chip, which is comprised of a period time sampling unit, a peri-od distanee preset unit, an arithmetic unit, a clock and time sequence unit.

电路主要由周期计时电路、周期数据预置电路、运算电路及时钟和时序等电路构成。