这里有三项数据：一个是基地址，第二个是索引寄存器，第三个是乘数。
Here, there are three entities: one is the base address, the second is the index register, and the third is the multiplier.
在乘法运算中存放乘数，在除法运算中存放商的一种寄存器。
The register used to contain a multiplier in multiplication and the quotient in division.
在乘法运算中存放乘数，在除法运算中存放商的一种寄存器。
The register used to contain a multiplier in multiplication and the quotient in division.
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