Unverified80% confidenceDecision RuleTime unknown
射灯照射距离超过40cm且需突出单个展品时，选择光束角15-24°的窄光束；照亮整层用60°以上宽光束灯带
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Unverified蜂巢目数越大（如40°网格），光束越集中、扩散范围越小，适合精准局部照明或勾边；20-30°网格用于一般聚光，10°以下用于极窄光束打点83% similarUnverified灯珠密度需匹配安装距离：距被照物≤30cm时选60灯珠/米以上避免出现明暗颗粒感，投射距离＞1米可用30灯珠/米稀疏排布83% similarUnverified照射面积估算：全光谱LED灯板每15-20W覆盖约30×30cm有效种植区，标称'100W覆盖1平米'的产品实际边缘光照严重不足81% similarUnverified常见照片灯串规格：2米配20颗灯珠、5米配50颗、10米配100颗，灯珠间距约10cm；铜线灯串线径约0.4-0.5mm81% similarUnverified氛围照明选灯珠密度60颗/米以上避免点状光斑，若安装在半透明扩散罩或反光凹槽内可降到30-60颗/米，追求无光点连续光带选120颗/米COB灯带81% similar
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