.照明灯具专业英语词汇Aachromatic (perceived) colour 无彩(知觉)色(8)acdjustable luminarie可调式灯具(26)area (surface) light sourc 面光源(16)average cylinderical illuminance平均柱面照度(16)average illuminance平均照度(15)average life 平均寿命(23)average luminance 平均亮度(15)average spherical illuminance, scalar illuminance 平均球面照度;标量照度(16)Bballast 镇流器(22)bayonet cap 插口式灯头(22)beam angle 光束角(29)brightness 视亮度(8)Ccalculatinb height of luminaire 灯具计算高度(14)cap 灯头(22)ceiling luminaire, surface mounte