Unverified85% confidenceTradeoffTime unknown
稳定性越强的支架（重底座+多关节锁死）通常越重越不便携，桌面固定用可选1kg以上重底座，通勤携带则牺牲部分稳定性换取轻量折叠
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85%
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Long-term
Relevance
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Unverified便携性与稳定性互斥：越薄越轻的折叠支架铰链越少、支撑角度越受限，打字回弹晃动明显；桌面稳定用尽量选带配重底座的固定款84% similarUnverified稳定性与便携性冲突：宽支撑面（四脚间距大）和低重心更稳但更笨重，一键折叠的轻量款往往支撑面窄、稳定性打折84% similarUnverified折叠便携性与稳定性存在矛盾：可对折收纳的机型跑带面积小（通常宽<45cm）、扶手弱，适合步幅小的走步；不可折叠的一体式跑带更宽更稳但占地固定82% similarUnverified侧袋容量越大越能装，但外挂过大会破坏背包重心导致偏坠单侧，负重徒步时单侧外挂容量建议控制在1L以内，或左右对称各挂一个82% similarUnverified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82% similar
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