Youtube上的频道如 GeoScience Videos



85,100 1.57%

40,100 1.3%

5,440 1.99%

2,360,000 3.11%

48,300 1.32%

48,500 1.54%

4,660,000 2.83%

41,900 3.1%

2,610,000 2.91%

10,500,000 3.02%

9,210 2.2%

14,100 1.24%

9,430 1.52%

27,800 0.51%

8,580 1.02%

5,250 3.68%

11,000 1.9%

28,500 1.94%

255,000 1.85%


143,000 0.89%


600,000 4.09%

52,300 5.33%