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
- nurse seed grafting
- nurse workstation system
- Nur Sharif
- nursing
- nursing bed
- nursing care for the sick and wounded in military operations other than war
- nursing care for the sick in the war
- nursing care for the war wounded
- nursing care of the elderly
- Nursing college operates apartments for the elderly
- nursing cosmetics
- nursing determination based on sign-symptom pattern differentiation
- nursing ethic
- nursing home
- nursing home care
- nursing homes
- nursing psychology
- nursing science
- nursing skills and techniques for the war wounded
- nursing therapy of TUM
- Nursultan
- Nur Sutan Iskandar
- Nuruddin Farah
- Nury Bairamov
- Nusakan