高速下行分组接入（HSDPA）和演变数据优化（EV-DO）等3G的最新加强技术进步迅速。
And the latest enhancements of 3G technology, such as HSDPA and EV-DO, are improving fast.
高速下行分组接入(HSDPA)作为WCDMA的增强技术，大大提高了下行数据速率。
As an enhanced technology of WCDMA, HSDPA has greatly increased the transmission rate of downstream data.
混合自动重传请求是高速下行分组接入(HSDPA)和高速上行分组接入(HSUPA)中的关键技术。
It is one of the key techniques in the high speed downlink packet access (HSDPA) and high speed uplink packet access (HSUPA).
混合自动重传请求是高速下行分组接入(HSDPA)和高速上行分组接入(HSUPA)中的关键技术。
It is one of the key techniques in the high speed downlink packet access (HSDPA) and high speed uplink packet access (HSUPA).
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