We could have packed more information into each byte, but it would have obscured the purpose of the example.

我们本来可以在一个字节中包含更多的信息，但是这样可能会使这个例子的本意变得模糊。

youdao

The carry from bit3 to bit4 needed for adding packed binary coded decimal number correctly, where two binary coded decimal digits reside in one8-bit byte.

二进制编码的十进制数进行相加所需的从第3位到第4位的进位。

youdao