Technically, the term work size(also called word length) describes the size of an operand register, but it is also used more loosely to describe the size of the pathway to and from the processor.
字的大小这一术语（也称字长）描述了操作数寄存器的大小，但它也可用来不那么严格地描述出入处理器的通道的大小。
Most instructions follow a similar format, with the register that holds the result specified in the first operand.
大多数指令都遵循类似的格式，结果存储在第一个操作数内指定的寄存器中。
It adds together the register in the second operand with the constant in the third operand, and stores the result in the register specified in the first operand.
它将第二个操作数内的寄存器与第三个操作数内的常量加在一起，并将结果存储在第一个操作数内指定的寄存器中。
"The first operand is the destination register and the second is the D-Form address to load."
第一个操作数是目标寄存器，第二个操作数是要加载的D -Form地址。
A register in which one operand of an operation can be stored and subsequently replaced by the result of that operation.
一种寄存器，可以存放某种操作的一个操作数，并且随后又用该操作的结果替换所存的操作数。
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。
The operand is either an MMX technology register or a memory address.
操作数可以是一个MMX技术注册或一个内存地址。
The operand is either a 128-bit XMM register or a memory address.
操作数可以是一个128位的XMM寄存器或内存地址。
The operand is either a 128-bit XMM register or a memory address.
操作数可以是一个128位的XMM寄存器或内存地址。
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