工学 其他 释 gray scale 灰色样卡 一种有递进颜色色差，代表色牢度等级的灰色标准实物样卡。简称灰卡。又称灰色分级样卡。
人工智能 模式识别 释文 gray scale 灰度
- unitary homomorphism
- unitary ideal
- unitary induced representation
- unitary integral equation
- unitary invariant
- unitary irreducible representation
- unitary isomorphic
- unitary kernel
- unitary left module
- unitary linear operator
- unitary linear transformation
- unitary mapping
- unitary matrix
- unitary matrix model
- unitary modular group
- unitary module
- unitary multiperfect number
- unitary multiplet
- unitary multiplicative character
- unitary operator
- unitary organism
- unitary perfect number
- unitary polarity group
- unitary positive operator
- unitary projective representation