世界五千年科技故事丛书·窥天地之奥：张衡的故事 - Tapa blanda

World five thousand Books story. Glimpse of heaven and earth Austria: the story of Zhang Heng(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2012 Pages: 118 Language: Chinese Publisher: Jilin Publishing Group. Jilin Science and Technology Press vision for the 21st century. science and technology will be unimaginable speed rapid development of knowledge-based economy will be fully rise of international competition and The cooperation will appear intense and extensive unprecedented situation. In the face of severe challenges. the Chinese nation rely on standing among the nations of the world? Rely on manpower re. Nº de ref. del artículo: NG026201

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