It isn't as fast as a computer and networks speed are also a limitation.
它不会跟计算机一样快，而且网络速度也有限制。
The traditional method has the disadvantage of speed of limitation, and it is unstable .
因此，传统的下载方式有着速度的限制和相对不稳定的缺陷。
Because of the limitation of bandwidth, signal must be transmitted in low speed.
由于受传输带宽的限制，要求信号以较低的速率传输。
Because of the limitation of bandwidth, signal must be transmitted in low speed.
由于受传输带宽的限制，要求信号以较低的速率传输。
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