[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

重量与保护性权衡:竞速鞋普遍200g左右(男42码)但缓震和耐久受限,日常慢跑训练鞋250-300g反而更耐磨保护更好;追求PB才需为轻量牺牲耐久

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80%
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Long-term
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https://kongchang.com/claim/167728
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curl https://kongchang.com/api/v1/knowledge/claims/167728
MCP
get_claim(id=167728)