Youtube上的频道如 Harvard Natural Sciences Lecture Demonstrations


10,100,000 2.99%

4,760,000 1.7%

848,000 3.06%

10,500,000 3.02%

1,820,000 2.61%

382,000 2.36%

17,300 1.79%

524,000 2.7%

928,000 3.57%


826,000 3.87%

1,160,000 4.02%

2,100,000 3.71%

2,360,000 3.11%

120,000 1.1%

38,900 1.62%



112,000 1.88%

62,000 3.93%

78,100 3.55%

15,100 4.39%

39,400 4.37%

163,000 2.64%

161,000 1.74%