To solve this problem, CIE established and recommended standard measuring condition A and B. A kind of measuring instrument for CIE average LED intensity is introduced.

• 为解决这个问题,CIE(国际照明委员会)制定并推荐标准测试条件A,B。 介绍了根据CIE 127文件设计的平均LED发光强度测试仪;