最初叫做高速数据速率 High data rate ; HDR
高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
在高速串行链路中，均衡技术可以有效地提高数据速率或增加传输距离。
In high-speed serial links, equalization techniques can effectively improve the data rate or increase the transmission distance.
DMA技术在提高数据传送速率方面有着重要作用，特别是对于高速率数据传送。
DMA technology plays an important role in increasing the data transmission rate, especially for high rate transmission.
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