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关于Youtube频道 Earth Science
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29,900 2.28%
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30,100 0.91%
268,000 1.83%
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253,000 1.63%
75,400 1.67%
85,100 1.57%
29,100 1.72%
11,900 4.87%
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141,000 1.47%
28,500 1.94%
9,090 1.81%
