Unverified85% confidenceTradeoffTime unknown
折叠便携性越好通常牺牲稳定性：铝合金折叠桌面支架收纳后仅口红大小但展开后重心高、承重差；固定式支架稳但无法携带
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85%
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Long-term
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Unverified稳定性与折叠便携性互相矛盾：铝合金折叠款便于收纳携带但薄底座重心高易晃动，实木/厚钢重底座稳但普遍3kg以上不适合频繁移动89% similarUnverified便携性与稳定性存在矛盾：超薄卡片式折叠支架（厚度<5mm）方便携带但只能提供单一角度且承重弱，多关节金属支架稳固可调但折叠后仍较厚重88% similarUnverified稳定性越强的支架往往越重越不便携：铝合金重力座稳但难塞口袋，硅胶折叠款轻便但只能斜靠不能承受触屏按压，需按使用场景二选一88% similarUnverified折叠便携性与承重稳定性矛盾：可完全折叠塞进后备箱的车型多为轻量小承重款，重型平板推车通常只能折叠背板无法整体收纳86% similarUnverified可折叠款便携但接缝、折叠关节处是应力薄弱点，长期高频使用易松动异响；固定式框架款更耐用稳定。若非频繁搬动/收纳需求，固定款优先86% similar
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