Unverified80% confidenceCautionTime unknown
书桌宽度超过1.2m或双人书桌不建议买单点式小台灯，光照难以覆盖导致均匀度不足，应选长横杆/双光源款
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80%
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Long-term
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Unverified书桌深度不足40cm不建议买大灯头广域照明台灯，光线易溢出屏幕造成反光眩光，应选可调节灯头角度或立杆式设计91% similarUnverified书桌宽度≥1米建议选双光源或长条形灯头（发光长度≥40cm）的台灯，单点球泡灯头照射面积不足会造成桌面明暗不均90% similarUnverified照射面积与桌面尺寸不匹配是常见坑：灯管越短或光珠越集中，照度均匀度越差；1米以上大书桌应选长灯管或双翼/可延伸灯头，避免单点强光形成阴影死角88% similarUnverified落地大屏护眼灯不适合桌面空间小于60cm的书桌：大发光面需要足够高度和距离才能覆盖，桌面过小时光斑集中反而降低均匀度，此类场景选可调灯臂的座式灯更合适87% similarUnverified国AA级照度但灯头照射面积偏小，大书桌（超过1.2米宽）用户需注意光照覆盖范围可能不够均匀87% similar
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