[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

长时间阅读护颈选可调角度15°-60°的书架台,30°-45°是抬头阅读最省颈椎力的黄金区间,只有固定30°单一角度的不适合书本厚度变化大的场景

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85%
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Long-term
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