把进位移到累加器的位元。

This moves the carry into bit position of the accumulator.

30年前，作为一个外加官我第一次来到华盛顿。

I first came to Washington thirty years ago as a young diplomat.

十进制以十为进位的数字系统。

Of or relating to the decimal number system.

这样的时间单位上下级之间要都是以十倍进位就好了。

It would be nice if such units of time were decimal multiples of one another.

结果表明镜像加法器在运算速度、版图布局上都优于超前进位加法器。

It shows that mirrored adder is better than carry look ahead adder in arithmetic speed and layout.