Youtube上的频道如 Learn Physics


109,000 3.03%

3,390,000 1.13%



867,000 1.75%

567,000 4.18%


113,000 4.48%

256,000 4.49%

736,000 2.85%

19,200 3.08%

20,700 2.59%

487,000 1.57%

10,500,000 3.02%



355,000 3.21%

448,000 3.1%

1,350,000 1.86%

416,000 4.69%

3,210,000 2.78%

46,100 3.17%

154,000 5.03%


13,000 3.91%