该程序实现的N位全减器，首先实现一位的减法器，之后实现N位全减器。

Program of the N-bit-wide reduction, the first realization of a subtraction for, after all N-reduction devices.

youdao

该程序实现的N位全减器，首先实现一位的减法器，之后实现N位全减器。

Program of the N-bit-wide reduction, the first realization of a subtraction for, after all N-reduction devices.

youdao