理学 计算机存储部件 释 phase-change memory，PCM 相变存储器 一种由硫族化合物材料构成的新型非易失存储器（non-volatile memory，NVM），它利用材料可逆转的物理状态变化来存储信息，具有非易失、工艺尺寸小、存储密度高、寿命长、读写速度快、功耗低、抗辐射干扰等优点，是未来最有可能取代DRAM的非易失性存储器之一。
计算机硬件 存储设备 释文 phase change random access memory, PRAM, PCM 相变存储器
- secondary liver cancer
- secondary loess
- secondary lymphedema
- secondary lysosome
- secondary malnutritionsecondary malnutrition
- secondary market
- secondary market of mining rights
- secondary maximum
- secondary measurement standard
- secondary meristem
- secondary metabolism
- secondary metabolite
- secondary metabolites fermentation
- secondary metabolites of diseased forage
- secondary metabolites of medicinal plants
- secondary migration of oil and gas
- secondary mineral
- secondary mineral resources
- secondary minimum
- secondary mirror
- Secondary mirror mechanism
- secondary-mirror modulation
- secondary-mirror modulator
- secondary mirror support tower
- secondary mirror tripod