分贝 发表于 2025-3-23 10:02:52
GeoPlanet: Earth and Planetary Scienceshttp://image.papertrans.cn/e/image/318968.jpg特征 发表于 2025-3-23 17:35:02
978-3-658-30524-6Der/die Herausgeber bzw. der/die Autor(en), exklusiv lizenziert durch Springer Fachmedien Wiesbaden说明 发表于 2025-3-23 20:45:45
http://reply.papertrans.cn/64/6393/639290/639290_13.png生命 发表于 2025-3-23 22:44:01
Marktversagen, des Wohlfahrtsoptimums realisiert. Trotz der Vorteile des Marktmechanismus lässt er sich nicht überall einsetzen. Im Folgenden sollen Sie die Bereiche kennenlernen, in denen es zu sog. Marktversagen kommt.牢骚 发表于 2025-3-24 05:53:33
https://doi.org/10.1007/978-3-642-20766-2consider hypergraphs whose hyperedges are partitioned in two disjoint subsets of vertices, which will become the tail and the head of the hyperedge when oriented. We prove that the problem is NP-hard even when restricted to hypergraphs where each vertex belongs to exactly two hyperedges, and that it极少 发表于 2025-3-24 10:10:30
http://reply.papertrans.cn/64/6393/639290/639290_16.pngPulmonary-Veins 发表于 2025-3-24 10:55:29
http://reply.papertrans.cn/64/6393/639290/639290_17.png漂浮 发表于 2025-3-24 17:19:09
http://reply.papertrans.cn/64/6393/639290/639290_18.pngGossamer 发表于 2025-3-24 19:39:12
http://reply.papertrans.cn/64/6393/639290/639290_19.png戏法 发表于 2025-3-24 23:51:27
William T. Martin Richested away from questioning whether structural change is taking place towards how best to embrace and regulate it. The European Union has been a focal point for many of these debates and has undergone a combined process of encouraging the growth of flexible employment, while also developing new employ