问题描述：
英语翻译
正负2.5mm is tderated on lwo pair of fingers,spaced min 120°.Next to a finger with 10-x shall a finger with 10+x exist .
正负2.5mm is tderated on lwo pair of fingers,spaced min 120°.Next to a finger with 10-x shall a finger with 10+x exist .
问题解答：
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