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Convex lens lesson
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238 意见·
06/04/12
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A quick lesson on how the image through a converging lens changes according to an objects position.
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7,828 意见 · 09/05/19
2,490 意见 · 13/04/25
122,392 意见 · 23/01/25
1,866 意见 · 29/04/24
26,484 意见 · 22/05/23
