[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

老年人使用的中国象棋,棋子直径应≥3.5cm(推荐4-5cm大子),厚度≥1.5cm,便于关节不灵活者抓握;儿童启蒙同样适用大子

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88%
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Long-term
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