[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

手动跑步机更安全、无噪音、无需电源,但阻力不可调且孩子觉得费力容易失去兴趣;电动款趣味性和持续性更好但存在速度失控风险与电机噪音,需在安全性与运动黏性间权衡

1
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75%
Confidence
Long-term
Relevance
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