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
- relevance logic
- relevance measure
- relevance,originality,impact creative guide
- relevance ranking
- relevant
- relevant background information
- relevant commutative algebra
- relevant implication
- relevant logic
- Relevant needs
- relevant parameter
- relexification
- relexing waist and tightening buttocks
- reliability
- reliability acceptance test
- reliability analysis
- reliability appraisal of structure after fire
- reliability assessment
- reliability, availability and serviceability, RAS
- reliability-based design method
- reliability-based design optimization
- reliability based maintenance /reliability centered maintenance
- reliability block diagram
- reliability centered maintenance
- reliability characterization