元となった辞書の項目
自然長
noun
(physics) equilibrium length (length of a spring, etc. at rest)
意味（1）
(physics) equilibrium length (length of a spring, etc. at rest)
(physics) equilibrium length (length of a spring, etc. at rest)
(physics) equilibrium length (length of a spring, etc. at rest)
DiQt（ディクト）
無料
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