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00:04:00
Early formation of the Earth | Introduction to Earth systems | meriSTEM
Alagai Augusten
5 意见
·
03 四月 2024
00:03:03
Dating the formation of the Sun | Introduction to Earth systems | meriSTEM
Alagai Augusten
2 意见
·
03 四月 2024
00:11:17
Amide formation from carboxylic acid derivatives. | Chemistry | Khan Academy
Landus Mumbere Expedito
1 意见
·
29 行进 2024
00:06:07
Image formation by concave mirrors | Middle school physics | Khan Academy
Landus Mumbere Expedito
5 意见
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01:04:50
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11 意见
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tebtalks
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·
20 一月 2023
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