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Titlebook: Vertriebsstrategien für den Mittelstand; Die Vitaminkur für A Mario A. Pufahl,David D. Laux,J?rg M. Gruhler Book 2006 Gabler Verlag | Sprin

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21#
發(fā)表于 2025-3-25 05:01:14 | 只看該作者
22#
發(fā)表于 2025-3-25 08:05:48 | 只看該作者
23#
發(fā)表于 2025-3-25 13:57:59 | 只看該作者
24#
發(fā)表于 2025-3-25 15:56:54 | 只看該作者
two points in it is invariable no matter what external forces may act on the body. In practice no body is completely rigid and the subject of elasticity is concerned with the behaviour of materials under the action of external forces. Since no body is perfectly rigid, then a body, when subjected to
25#
發(fā)表于 2025-3-25 21:07:19 | 只看該作者
ng for one semester, consists of 32 hours of lectures and 32 hours of tutorials, plus ho- work of 10 – 12 problems. The exam is passed by 30 – 35 students. The results of the homework and exam give good reasons to believe that at least 20 – 25 of these students really digest the subject. The course
26#
發(fā)表于 2025-3-26 00:48:00 | 只看該作者
n 1939 Oppenheimer and Snyder studied, as an idealized model of gravitational collapse (Oppenheimer and Snyder, 1939), the special case of Tolman’s class of solutions which corresponds to a homogeneous spherical dust cloud. They analyzed the behaviour of the outgoing light rays and were thus led to
27#
發(fā)表于 2025-3-26 07:15:39 | 只看該作者
phenomenological approaches toward the most economical classifications of large classes of experimental data on particular phenomena. The other, whose thrust is explanatory, has as its aim the formulation of those underlying hypotheses and their mathematical representations that are capable of furn
28#
發(fā)表于 2025-3-26 10:48:23 | 只看該作者
ties in the french-speaking part of Switzerland), and these lectures were the basis of the ‘Springer Lecture Notes in Physics‘, Volume 150, published in 1981. This text appeared in German, because there have been few modern expositions of the general theory of relativity in the mother tongue of its
29#
發(fā)表于 2025-3-26 14:10:48 | 只看該作者
30#
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