单词	保存阶层
释义	保存阶层storage hierarchy
随便看	extended memory manager extended memory manager，xmm extended memory map block extended memory monitor extended memory monitor's programmed request extended memory programmed request extended memory specification extended memory specification，ems extended memory system 扩展内存系统 extended memory unit extended memory unit，emu extended memory，em extended mercury autocode extended metal transistor extended ml extended mnemonic extended mode extended multiprogramming system extended negative binomial distribution extendedness extended network services extended network services，ens extended object extended operating system extended operating system，eos