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"Ancient Science and Technology and Ideology and Culture (1)" The Spread and Development of Ancient Civilization PPT Courseware 5
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"Achievements of Science and Technology 2" Science and Technology Education and Culture PPT Courseware 2
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"Ancient Science and Technology and Ideology and Culture (1)" The Spread and Development of Ancient Civilization PPT Courseware 5
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"Ancient Science and Technology and Thought and Culture (1)" The Spread and Development of Ancient Civilization PPT Courseware 6
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"Ancient Science and Technology and Ideology and Culture (1)" The Spread and Development of Ancient Civilization PPT Courseware 7
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"Ancient Science and Technology and Ideology and Culture (1)" The Spread and Development of Ancient Civilization PPT Courseware 8
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"Ancient Science and Technology and Ideology and Culture (2)" The Spread and Development of Ancient Civilization PPT Courseware 5
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"Ancient Science and Technology and Ideology and Culture (1)" The Spread and Development of Ancient Civilization PPT Courseware 3
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"Ancient Science and Technology and Ideology and Culture (2)" The Spread and Development of Ancient Civilization PPT Courseware 3
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"The Achievements of Science and Technology 1" Science and Technology Education and Culture PPT Courseware 2
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"The Achievements of Science and Technology 1" Science and Technology Education and Culture PPT Courseware 3
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"The Achievements of Science and Technology 1" Science and Technology Education and Culture PPT Courseware 4
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"The Achievements of Science and Technology 1" Science and Technology Education and Culture PPT Courseware 5
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"Achievements of Science and Technology" Science, Technology, Culture and Social Life PPT Courseware
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"Two Modern Poems" PPT download
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