MB造句
The system has 256
MB RAM, expandable to 2GB.
这个系统内存 256 兆字节，可扩充到 2 千兆字节。
The B - module
MB is said to be obtained from M by extension of scalars.
我们说B - 核
MB是从M验纯量扩充而得到的.
Magnetotactic bacteria (
MB ) belongs to Mycetozoan class with simple prokaryotic cell.
趋磁细菌 (
MB ) 属变形菌纲,为简单的原核细胞.