[KongchangAI]
Unverified90% confidenceFactTime unknown

判断毛笔质量的四德标准:尖(笔锋收拢成尖)、齐(压平后锋颖整齐)、圆(笔肚饱满圆锥形)、健(弹开后能回弹)

1
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90%
Confidence
Long-term
Relevance
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First Seen

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curl https://kongchang.com/api/v1/knowledge/claims/189593
MCP
get_claim(id=189593)