文学 灰色成分替代 释 gray component replacement；GCR 灰色成分替代 在彩色图像复制中，凡是用三原色油墨叠印或混合而构成的复色区的非彩色值，可采用三原色中最弱色相等的黑色油墨来替代，并获得相同的视觉效果。
GCR 全称：Galactic cosmic rays。银河系宇宙线
计算机硬件 存储设备 释文 group coded recording, GCR 成组编码记录
- digital quantity
- digital quarantine technology
- digital radiation model
- digital radio
- digital radiographic testing system
- Digital radiography，DR
- digital railway
- digital raster graphic
- Digital Reading
- digital receiver/transmitter
- digital recorder for H.V.measurement
- digital recording
- digital rectal examination
- digital rectification technology
- digital refugee
- digital regulator
- digital reinforcement mesh processing
- digital reinforcement processing
- digital relief shading
- digital replantation
- digital resource
- Digital Resource Acquisition Alliance of Chinese Academic Libraries
- digital resource harvesting
- digital resource lifecycle management
- digital resources