Youtube上的频道如 Системное администрирование, безопасность, сети



26,600 2.69%


9,420 3.19%

1,340,000 6.96%


4,070,000 2.84%

27,400 10.3%

10,800 1.03%


59,300 3.72%



8,060 1.57%




86,200 4.15%

118,000 4.16%


27,500 4.81%



74,600 2.65%

1,290,000 7.69%