10M网速：
10Mbps
=10*1024            = 10240 Kb/s
=10*1024*1024       = 10485760 b/s
=10*1024*1024/8     = 1310720 B/s
=10*1024/8          = 1280 KB/s
=10/8               = 1.25 MB/s

20M网速：
20Mbps
=20*1024            = 20480 Kb/s
=20*1024*1024       = 20971520 b/s
=20*1024*1024/8     = 2621440 B/s
=20*1024/8          = 2560 KB/s
=20/8               = 2.5 MB/s

50M网速：
50Mbps
=50*1024            = 51200 Kb/s
=50*1024*1024       = 52428800 b/s
=50*1024*1024/8     = 6553600 B/s
=50*1024/8          = 6400 KB/s
=50/8               = 6.25 MB/s

100M网速：
100Mbps
=100*1024           = 102400 Kb/s
=100*1024*1024      = 104857600 b/s
=100*1024*1024/8    = 13107200 B/s
=100*1024/8         = 12800 KB/s
=100/8              = 12.5 MB/s

200M网速：
200Mbps
=200*1024           = 204800 Kb/s
=200*1024*1024      = 209715200 b/s
=200*1024*1024/8    = 26214400 B/s
=200*1024/8         = 25600 KB/s
=200/8              = 25 MB/s

500M网速：
500Mbps
=500*1024           = 512000 Kb/s
=500*1024*1024      = 524288000 b/s
=500*1024*1024/8    = 65536000 B/s
=500*1024/8         = 64000 KB/s
=500/8              = 62.5 MB/s