索引寄存器 meaning in English

index register
register, index

The model , in this case , is the high - level language program - which , like all useful models , hides irrelevant detail about the idiosyncrasies of the underlying computing technology such as internal word size , the numbers of accumulators and index registers , the type of alu , and so on
这种情况下，模式就是这个高级语言程序，它就像所有有用的模式那样，隐藏了潜在的计算技术特性上的相关细节（比如内存字符大小，累加器的个数，索引寄存器， alu算术逻辑单元类型等等）。