圆锥 发表于 2025-3-30 10:13:09

Erich Lutz,Markus Werner,Axel Jahnul agent in improving the present insufficient standards of education. In spite of the cost of investment in such NTT facilities, however, in practice they do not guarantee the expected improvement of conventional teaching. Resistance to these innovations is supposed to stem from the conservative at

柔软 发表于 2025-3-30 14:12:16

Erich Lutz,Markus Werner,Axel Jahnour ability to process information. Moreover, they are obliging us to change our idea of knowledge. These changes are reflected in the obvious synergetic convergence of different types of access, communication and information exchange. The multimedia learning environment should not represent a passi
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查看完整版本: Titlebook: Satellite Systems for Personal and Broadband Communications; Erich Lutz,Markus Werner,Axel Jahn Book 2000 Springer-Verlag Berlin Heidelber