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"Day and Night Alternation Phenomena" Earth's Movement PPT Courseware 2
Fifth Grade Science Volume 2, Textbook Edition
Download: 434
"Experiment: Measuring the Average Speed and Instantaneous Speed of the Paper Tape" Motion Description PPT
PPT download
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"Invisible Motion" Small Particles and the Big Universe PPT Courseware 4
Shanghai Science Edition 8th Grade Physics
Download: 638
"Motion Forms and Energy Supply of Animals" PPT Courseware
Jiangsu Education Edition 8th Grade Biology Volume 1
Download: 280
"The Balance of Force" Force and Motion PPT Courseware
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Motion PPT of "Axisymmetric" graphics
People's Education Press Fourth Grade Mathematics Volume 2
Download: 485
"The Secret of Polaris' Immobility" Earth's Movement PPT Courseware
Fifth Grade Science Volume 2, Textbook Edition
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The World of "Fast and Slow" Movement PPT Courseware 2
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"Moving Planet" Sun Earth Moon System PPT Courseware
People's Education Press Sixth Grade Science Volume 1
Download: 655
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