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"Modern Communication Technology and Development Prospects" How to Transfer Information - Introduction to Communication Technology PPT Courseware 2
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2021-12-12 10:10:06
How to convey information in "Modern Communication Technology and Development Prospects" - Introduction to Communication Technology PPT Courseware 3
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2023-10-05 09:45:15
"Modern Communication Technology and Development Prospects" How to Transmit Information - Introduction to Communication Technology PPT Courseware 2
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2023-09-25 18:20:14
"Nitrogen Cycle" Properties and Transformation of Matter PPT (First Lesson: Nitrogen Cycle in Nature, Fixation of Nitrogen)
下载 901 次
2023-09-25 17:34:00
"Micro Project Demonstrates the Rationality of "Car Restrictions" in Heavy Pollution Weather" PPT courseware on the nature and transformation of substances
下载 133 次
2023-09-25 17:34:00
"The historical turning point of Russia and Japan" The struggle of the proletariat and the strengthening of bourgeois rule PPT courseware 2
下载 185 次
2023-09-25 18:25:58
"The historical turning point of Russia and Japan" The struggle of the proletariat and the strengthening of bourgeois rule PPT courseware 3
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2023-09-25 18:25:58
"The historical turning point of Russia and Japan" The struggle of the proletariat and the strengthening of bourgeois rule PPT courseware 4
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2023-09-25 18:25:58
"The historical turning point of Russia and Japan" The struggle of the proletariat and the strengthening of bourgeois rule PPT courseware 5
下载 340 次
2023-09-25 18:25:58
"The Establishment of the Anti-Fascist Alliance and the Turning Point of the Great War" China's Anti-Japanese War and the World Anti-Fascist War PPT
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2023-09-25 17:35:36
"Nitrogen Cycle" Nature and Transformation of Matter PPT (Lesson 1 Nitrogen Cycle in Nature Nitrogen and Nitrogen Oxides)
下载 809 次
2023-09-25 17:34:00
"Nitrogen Cycle" Nature and Transformation of Matter PPT (Lesson 3: The Impact of Nitric Acid Human Activities on the Nitrogen Cycle and the Environment)
下载 612 次
2023-09-25 17:34:00
"Diversity of Iron" PPT courseware on the properties and transformation of matter (lesson 2 iron, iron oxides and iron hydroxides)
下载 441 次
2023-09-25 17:34:01
"Sulfur and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 3: Transformation of sulfur-containing substances in different valence states)
下载 439 次
2023-09-25 17:33:59
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