Unverified78% confidenceTradeoffTime unknown
宽照射范围的大灯盘照度更均匀但占桌面空间大且发热多，小巧台灯便携但照射面窄，需照亮A3幅面作业时不要选灯头宽度＜30cm的机型
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78%
Confidence
Long-term
Relevance
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Unverified灯头越宽照射越均匀但占空间且价格高；桌面较小或仅单点阅读用长条形（≥40cm发光面）已足够均匀，无需追求大面板落地灯86% similarUnverified亮度越高越均匀但灯体越长越重，中心照度500-700lux满足办公，追求高亮的长灯体(45cm以上)需注意小尺寸显示器(≤24寸)会显得比例失调且配重压屏85% 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85% similarUnverified书桌阅读优先选立式/大力钳类台灯，出光口宽度≥30cm可实现整桌面均匀照明，圆形小灯头照射范围窄易产生阴影85% 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85% similar
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