abbr.主要支援基地(Main Support Base)，主要保障营(Main Support Battalion)，主配电盘(Main Switch Board)

MSB is the Most Significant Bit in binary numbers, which often determines the sign of the number.
在二进制数中，MSB是最重要位，通常决定数字的正负。
The first bit on the left in an 8-bit binary number is the MSB.
在一个8位二进制数中，最左边的第一位就是MSB。
In digital signal processing, the MSB is often used to represent the highest frequency component of the signal.
在数字信号处理中，MSB常被用来表示信号的最高频率成分。
The MSB of the data packet indicates whether the packet is the first or last packet of a data stream.
数据包的MSB表明该包是否为数据流中的第一个或最后一个包。
In a microcontroller, the MSB can be used to determine if an operation has overflowed.
在微控制器中，可以通过MSB判断运算是否溢出。
The MSB of the address bus determines the high order bits of the memory address.
地址总线的MSB决定了内存地址的高位比特。
In digital circuits, the MSB is often used for error detection and correction.
在数字电路中，MSB常用于错误检测和修正。
The MSB of the output data can be used to determine the polarity of the input signal.
输出数据的MSB可以用来确定输入信号的极性。
In a digital audio system, the MSB represents the loudest sound level.
在数字音频系统中，MSB代表最响亮的声音级别。
The MSB of the binary representation of a decimal number can indicate if the number is positive or negative.
十进制数的二进制表示中的MSB可以指示该数是正数还是负数。