In analog computer, an arithmetic unit constructed by a servo system.

在模拟计算机中，一种由伺服系统构成的运算部件。

The components of CPU include three typical parts: arithmetic unit, control unit and registers.

CPU的基础部件由运算器，控制器和寄存器三局部组成。

Smart antenna is a complex system including array antennas digital signal processing unit and adaptive arithmetic unit.

智能天线是个复杂的系统包括天线阵列，数字信号处理单元和自适应算法单元。

Arithmetic unit: arithmetic unit is a data processing unit that consists of arithmetic logic unit (ALU), accumulator, data buffer, ect.

运算器：运算器是数据加工处理部件，它是由算术逻辑单元(alu)、累加器、数据缓冲器等组成。

The part of execution in which an operand or instruction is read from main storage and written into a control unit or arithmetic unit register.

执行过程中的一个阶段所需的时间，在此期间，计算机从主存储器中取出指令或操作数，并将其存入控制器或运算器的寄存器中。