在COBOL系统中，由一个数据项、算术表达式或条件表达式表示的信息。
In the COBOL system, the information represented by a data item, arithmetic expression, or conditional expression.
在算逻部件中，寄存器存放要进行加、减、乘、除及比较的数据项，而其它寄存器则存放算术及逻辑操作的结果。
In the ALU, registers strore data items that are added, substracted, multiplied, divided and compared. Other registers strore the result of arithmetic and logic operations.
在算逻部件中，寄存器存放要进行加、减、乘、除及比较的数据项，而其它寄存器则存放算术及逻辑操作的结果。
In the ALU, registers strore data items that are added, substracted, multiplied, divided and compared. Other registers strore the result of arithmetic and logic operations.
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