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CIE 97期(1992)ISBN 3 900 734 348 在照明设备的使用寿命过程中,供给被照物的光逐步减少。衰减几率是一个环境、使用及寿命条件的性能,在照明设计时我们必须用维持率考虑这种衰减从而设计出适宜的维护计划以限制衰变。这本指南讲述了影响减光过程的参数及在室内电气照明系统中
CIE Issue 97 (1992) ISBN 3 900 734 348 During the lifetime of the lighting equipment, the light supplied to the object is gradually reduced. The probability of attenuation is an environmental, usage, and lifetime condition. In the lighting design, we must consider this attenuation with the maintenance rate to design an appropriate maintenance plan to limit the decay. This guide describes the parameters that affect the light reduction process and in the indoor electrical lighting system.