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"Mechanical Energy and Its Transformation" Work and Mechanical Energy PPT
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2023-10-05 09:47:40
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"Chemical Synthetic Materials" Chemistry and Social Life PPT Courseware
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"Classification of Substances" Classification and transformation of substances PPT
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"Conversion and Conservation of Energy" Heat and Energy PPT Courseware
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"Internal Energy" Mechanical energy, internal energy and its transformation PPT courseware
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"Rocket" mechanical energy, internal energy and their transformation PPT courseware
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"Conversion and Conservation of Energy" Utilization of Internal Energy PPT
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"Chemical Synthetic Materials" Modern Life and Chemistry PPT Courseware
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"Chemical Synthetic Materials" Chemistry and Social Life PPT Courseware
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"Changes in Population Genetic Composition and Formation of Species" Evolution of Biology PPT Download
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"Diversity of Iron" PPT courseware on the properties and transformation of matter (the transformation relationship between iron and its compounds in Lesson 3)
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2023-09-25 17:34:01
"Classification of Substances" Classification and transformation of substances PPT
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2023-10-05 09:32:22
"Wheels and Rails Carry and Transport" PPT
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"Internal Energy" Mechanical energy, internal energy and its transformation PPT courseware 2
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"Internal Energy" Mechanical energy, internal energy and their transformation PPT courseware 5
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"Heat Engine" Mechanical energy, internal energy and their conversion PPT courseware 4
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"Internal Energy" Mechanical energy, internal energy and their transformation PPT courseware 5
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"Diversity of Iron" Properties and Transformation of Matter PPT (Lesson 2: The transformation relationship between iron, iron oxides and iron hydroxides, iron and its compounds)
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"Vaporization and Liquefaction" PPT
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"Chemical Synthetic Materials" Modern Life and Chemistry PPT Courseware 4
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"Chemical Synthetic Materials" Chemistry and Social Life PPT Courseware 2
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"Retelling" Oral Communication PPT
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"Chemical Synthetic Materials" Chemistry and Social Life PPT Courseware 2
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"Organic Synthetic Materials" Chemistry and Life PPT
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"Changes in Population Genetic Composition and Formation of Species" Biological Evolution PPT courseware (Lesson 1: Changes in Population Genetic Composition)
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"Chemical Synthetic Materials" Modern Life and Chemistry PPT Courseware 3
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"Chemical Synthetic Materials" Modern Life and Chemistry PPT Courseware 4
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"Internal Energy" Mechanical energy, internal energy and their transformation PPT courseware 3
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"Internal Energy" Mechanical Energy, Internal Energy and Its Transformation PPT Courseware 3
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2021-12-27 16:10:10
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