Youtube上的频道如 Physics at Exeter


10,500,000 3.02%

72,200 1.22%

9,670 4.09%


327,000 3.44%

97,400 4.97%


8,310 4.12%


499,000 3.73%


260,000 3.25%

143,000 2.11%


3,210,000 2.78%

364,000 4.22%

2,450,000 2.4%