二进制系统的基数为2，且从小数点每左进一位或者右退一位，其权增加或者减少2幂次。
In binary system the radix is 2, and the positions to the left or right of the binary point carry weight increasing or decreasing in power of 2.
二进制系统的基数为2，且从小数点每左进一位或者右退一位，其权增加或者减少2幂次。
In binary system the radix is 2, and the positions to the left or right of the binary point carry weight increasing or decreasing in power of 2.
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