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形式不变性
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形式不变性
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理学
对称性与守恒量
释
form invariance
形式不变性
力学系统运动微分方程中的动力学函数,如动能、势能、广义力、哈密顿函数、伯克霍夫函数等,在经历无限小变换后仍满足原来方程的一种不变性。
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focusing lens
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focusing magnetic field
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focusing method
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focusing of sound
focusing on infinity
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focusing X-ray telescope
focusing γ-ray telescope
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focus in object space
Focus Interview
Focus interview
focus ion beam milling
focus ion beam technology
focus light
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