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单词 Most Significant Bit
释义

Most Significant Bit

原声例句
PBS《自然》系列纪录片

It's almost as if they understand that the mouth and the eyes are the most significant bit of the human face.

就好像它们知道嘴和眼睛是人类面部最重要的部位。

中文百科

最高有效位

最高有效位英语:Most Significant Bitmsb),是指一个n位二进制数字中的n-1位,具有最高的权值2^{n-1}。与之相反的称之为最低有效位。在大端序中,msb即指最左端的位。

对于有符号二进制数,负数采用反码或补码形式,此时msb用来表示符号,msb为1表示负数,0表示正数。

MSB(全大写)有时也指Most Significant Byte,指多字节串行中具有最大权重的字节。

英语百科

Most significant bit 最高有效位

In computing, the most significant bit (MSB, also called the high-order bit) is the bit position in a binary number having the greatest value. The MSB is sometimes referred to as the left-most bit due to the convention in positional notation of writing more significant digits further to the left.

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更新时间:2025/6/23 3:20:27