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关于Youtube频道 Optics
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416,000 4.69%
826,000 3.87%
112,000 3.43%
54,400 4.22%
62,000 3.93%
140,000 2.28%
2,100,000 3.71%
26,300 1.1%
12,700 3.89%
12,600 0.91%
21,600 0.75%
48,400 0.74%
77,300 2.51%
126,000 4.44%
41,300 0.44%
25,300 0.43%
66,600 3.46%
5,390,000 3.07%
49,100 3.58%
36,800 8.73%
164,000 2.09%
92,500 2.0%
47,000 2.28%
28,000 2.01%
11,300 6.13%
