[KongchangAI]
Unverified92% confidenceDecision RuleTime unknown

小提琴尺寸按孩子手臂长度选:4-5岁(臂长约43cm)选1/16,5-6岁(约47cm)选1/8,6-7岁(约51cm)选1/4,7-9岁(约56cm)选1/2,9-11岁(约60cm)选3/4,11岁以上或臂长≥60cm选4/4。左臂伸直向侧上方45度,指尖能自然握住琴头卷首为准。

1
Sources
92%
Confidence
Long-term
Relevance
-
First Seen

Sources

Related Entities

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/273310
API
curl https://kongchang.com/api/v1/knowledge/claims/273310
MCP
get_claim(id=273310)