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"Does Air Take Up Space?" Water and Air PPT Courseware 4
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2023-09-25 18:14:05
"Does Air Take Up Space?" Water and Air PPT Courseware 3
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2023-09-25 18:14:05
Two exquisite blue starry sky PPT background pictures
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2023-10-05 09:20:53
"Atmospheric Heating Process and Atmospheric Movement" Atmosphere on Earth PPT courseware
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2023-10-05 09:23:44
"Atmospheric Heating Process and Atmospheric Movement" Atmosphere on Earth PPT courseware
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2023-09-25 18:24:39
"There should be a spirit of studying things to gain knowledge" PPT courseware 4
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"There should be a spirit of studying things to gain knowledge" PPT courseware 10
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2023-09-25 17:59:35
"There should be a spirit of studying things to gain knowledge" PPT courseware 7
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2023-09-25 17:54:34
"There should be a spirit of studying things to gain knowledge" PPT courseware 8
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"There should be a spirit of studying things to gain knowledge" PPT courseware 3
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2023-09-25 17:46:25
"Weather Calendar" Weather PPT
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2023-09-25 18:14:27
"Identifying the Elemental Composition of Matter" PPT courseware on the composition of air and matter
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2023-09-25 18:21:16
"Letter to Mr. Chiang Ching-kuo" PPT courseware 2
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2023-09-25 17:59:44
"There should be a spirit of studying things to gain knowledge" PPT courseware 5
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"You should have the spirit of studying things to gain knowledge" PPT courseware 6
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2023-09-25 17:54:34
"There should be a spirit of studying things to gain knowledge" PPT courseware 2
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2023-09-20 15:16:38
"Letter to Mr. Chiang Ching-kuo" PPT courseware 2
下载 266 次
2023-09-20 15:15:35
"You should have the spirit of studying things to gain knowledge" PPT courseware 10
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2023-09-20 15:13:14
"There should be a spirit of studying things to gain knowledge" PPT courseware 11
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"Dust in the Air" Air PPT Courseware
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2023-09-25 17:32:14
Blue Elegant Great Cold Season Introduction PPT Template
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2023-10-05 09:20:22
"There should be a spirit of studying things to gain knowledge" PPT courseware 4
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2023-10-05 09:44:30
"There should be a spirit of studying things to gain knowledge" PPT courseware 9
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2023-10-05 09:35:26
"Who flows faster" Water and Air PPT
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2023-09-25 17:31:50
"Inflatable Raincoat" Flash Animation Courseware
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2019-03-02 18:00:00
"Who flows faster" Water and Air PPT
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2023-10-05 09:44:28
"Letter to Mr. Chiang Ching-kuo" PPT courseware 3
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"There should be a spirit of studying things to gain knowledge" PPT courseware 9
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2023-09-25 17:59:35
"There should be a spirit of studying things to gain knowledge" PPT courseware 11
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"Shenzhou 5 Space Tour" PPT courseware 4
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2023-09-25 17:55:32
"There are many interesting things about space life" PPT courseware 3
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2023-09-25 17:53:12
"Changes and Distribution of Precipitation" Weather and Climate PPT Courseware
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2023-09-25 18:24:09
Hot air balloon PPT background picture in the sky
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2019-02-21 11:00:00
"The Nemesis of the "Air King"" PPT Courseware 3
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2023-09-25 17:27:17
"Space and Figure" general review PPT courseware
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2022-01-01 13:10:03
"In the Starry Sky (1)" Universe PPT Courseware 2
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2023-10-05 09:47:08
"In the Starry Sky (2)" Universe PPT Courseware 2
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2023-09-25 18:15:23
"Shenzhou 5 Space Tour" PPT Courseware 3
下载 547 次
2023-09-25 17:55:33
"Shenzhou 5 Space Tour" PPT courseware 5
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2023-09-25 17:55:32
"Empty City Strategy" PPT courseware 7
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"Mysterious Starry Sky" PPT courseware
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"Empty City Strategy" PPT courseware 2
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"Empty City Strategy" PPT courseware 3
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"Empty City Strategy" PPT courseware 7
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2023-09-25 17:27:56
"Weather of the Tang Dynasty" PPT courseware during the Sui and Tang Dynasties
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2023-09-25 18:27:09
"Measurement of Precipitation" Weather PPT Courseware
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2023-09-25 18:14:35
"Children with Tantrums" PPT Courseware 3
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"Wind Direction and Wind Speed" Weather PPT Courseware 4
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2023-09-25 18:14:35
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