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
- hydropower development planning of Hongshui River
- hydropower development planning of Jinsha River (the Shigu-Yibin reach)
- hydropower development planning of Songhua rivers
- hydropower development planning of the middle and lower reaches of Lancang River
- hydropower development planning of the middle and lower reaches of Nujiang River
- hydropower development planning of the middle reaches of Huanghe (Yellow) River
- hydropower development planning of the upper reaches of Huanghe (Yellow) River
- hydropower development planning of the upper reaches of Lancang River
- hydropower development planning of Wujiang River
- hydropower development planning of Xiang,Zi,Yuan and Li rivers
- hydropower development planning of Yalong River
- hydropower development planning of Yalu river
- hydropower engineering
- hydropower planning
- hydropower planning of river
- hydropower resources
- hydropower resources of China
- hydropower resources of ocean
- hydropower resources of river
- hydropower station
- hydropower station after dam
- hydropower station in dam
- hydropower station system
- hydropower station with powerhouse as dam
- hydropower station with powerhouse at dam toe