缓冲存储器周期的一部分，在这期间，逻辑与算术运算器必须中止操作或不能与存储器传输信息。
A portion of the buffer cycle in which the logic or arithmetic unit must cease operation or neither will be able to communicate with the memory unit.
计算机中，解释并执行指令的一种功能单元。注：处理器至少包含有一个指令控制器和一个算术与逻辑运算器。
In a computer, a functional unit that interprets and executes instructions. Note: a processor consists of at least an instruction control unit and an arithmetic and logic unit.
算术逻辑运算器：执行运算功能的中央处理器内的线路。
ALU: arithmetic Logic Unit; the circuitry within the CPU which performs all arithmetic functions.
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