Последние добавленные видео:
北美洲板塊
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9 months ago
887 9 months ago 5:00北美州是如何形成的 - Peter J. Haproff
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3 months ago
423 3 months ago 9:34108課綱｜國九地理｜北美的地形
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3 years ago
8871 3 years ago 10:11【十分鐘快速複習】翰林版社會B5地理L5 北美洲|9年級|上學期|第三次定期評量範圍|地形|氣候|經濟發展|農牧業|自然災害
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5 years ago
314 5 years ago 3:07歐亞板塊與北美洲板塊交接在冰島
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5 years ago
139 5 years ago 3:16歐亞板塊與北美板塊撞擊處
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3 years ago
387 3 years ago 7:5942 板块构造论 地壳和岩石圈的异同 宇宙学&天文学 可汗学院
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5 years ago
89256 5 years ago 10:20海底的巨大裂縫可能會把歐洲和美洲拉成一塊
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5 days ago
17 5 days ago 2:23北美大陆底部岩石正被地幔吞噬？揭示地球深处的秘密，会有何影响
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6 years ago
4670 6 years ago 21:22國中地理 北美洲的地理環境：位置和地形_20501
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11 months ago
69 11 months ago 2:04地震科學：板塊運動與預防措施 | Earthquakes Unveiled: Plate Tectonics and Prevention Measures.
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3 days ago
97205 3 days ago 22:27What Scientists Discovered Beneath the Mississippi Delta Has SHOCKED the Entire World!
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2 years ago
1096 2 years ago 5:50北美地图
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8 years ago
528 8 years ago 6:10冰島辛格維利爾國家公園走過北美板塊和歐亞板塊間道路 Thingvellir National Park (Iceland)
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6 days ago
170010 6 days ago 50:55North America: From Continental Drift to Imminent Fracture | SLICE EARTH | FULL DOC