尾随 发表于 2025-3-23 12:57:16
The Replacement of Equipment,The replacement of existing equipment is only a special case of the problem of investment choice. But its relative simplicity and its great practical importance justify a specific study. In this field, economic theory has moreover recently been enriched through fundamental advances thanks to the efforts of Mr. Desrousseaux and his team.喃喃诉苦 发表于 2025-3-23 17:26:44
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978-94-017-2269-8Springer Science+Business Media Dordrecht 1973衍生 发表于 2025-3-24 09:41:08
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Claude Abraham,André Thomassolutions to the Maxwell-Lorentz equations, the relativistic generalization of Newton’s second law of motion, and Einstein’s mass-energy relation. (The latter two laws of physics were not discovered until after the original works of Lorentz, Abraham, and Poincaré. The hope of Lorentz and Abraham forInstitution 发表于 2025-3-25 00:58:21
Claude Abraham,André Thomassolutions to the Maxwell-Lorentz equations, the relativistic generalization of Newton’s second law of motion, and Einstein’s mass-energy relation. (The latter two laws of physics were not discovered until after the original works of Lorentz, Abraham, and Poincaré. The hope of Lorentz and Abraham for