Part 4: Programmable light emission systems — LED Among other metrics, this standard specifies the calculation of Color Rendering Index (CRI). 第 4 部分：可编程发光系统 — LED在其他指标中，该标准规定了显色指数 (CRI) 的计算。 Was this helpful? YesNo 8 / 6 http://xzh.i3geek.com #CRI #ISO/TS 17321 #色差