[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

宁可选小半号也不选大半号。琴过大会导致左手够不到高把位、右手运弓压手,形成耸肩夹脖的错误姿势,纠正比重买一把琴代价大得多。孩子处于两个尺寸临界点时优先选较小的。

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