SLING 发表于 2025-3-25 07:08:40
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Bundles of Qualities, Qualities, and Concreta,l consideration was given to truth conditions which might be specified for the sentences of such systems. The present chapter is in the main devoted to the formulation and discussion of some particular formal systems containing predicates and operation symbols. These systems are to be interpreted by剧毒 发表于 2025-3-25 13:14:15
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Rolf A. Eberleiew toward enhancing decision making. Grounded in the feedback perspective of complexsystems, the book provides a practical introduction to system dynamics, and covers key concepts such as stocks, flows, and feedback. Societal challenges such as predicting the impact of an emerging infectious diseas牛马之尿 发表于 2025-3-26 05:31:11
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r friction and wear examinations to simulate the wheel-to-rail contact. The first part of the paper presents a computation model for describing the traction-creep behaviour under solid friction conditions. Methods of mathematical statistics are used to model the surface roughness. The deformation co贫困 发表于 2025-3-26 15:42:20
9楼艰苦地移动 发表于 2025-3-26 17:33:04
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