在OFDMA中，相临的多个子载波被分配给不同的用户来为用户并行低速传输数据。
In OFDMA, closely spaced multiple subcarriers are assigned to different users for parallel data transmission.
下面的图表说明，对于这么大的 HTML 内容，压缩会对 128K 或更低速的线路上的传输时间产生积极影响。
The following graph demonstrates that compression has a positive impact on transmission time for 128K line speeds or less for HTML content of this size.
千兆网络很少将其所有的带宽用于一个单独的数据流；相反，他们允许大量低速的传输同时进行。
Gigabit networks will seldom devote all of their bandwidth to a single data stream; instead, they will allow enormous Numbers of lower-speed transmissions to proceed simultaneously.
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