This early period of infection represents the time of greatest infectivity but transmission can occur during all stages of the infection.

这一最初感染期感染性最强，但在各感染期都可能会传播艾滋病毒。

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Cell broadcast messages are repeated at intervals over a period of time, which allows an MS to receive the message even if entering the cell after the first transmission.

在一段时间内会不时重复小区广播消息，从而使在第一次发送之后才进入小区的MS也能接收到消息。

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Although the most effective treatment involves a combination of drugs taken over a long period, even a single dose of treatment can cut the transmission rate by half.

虽然最有效的治疗方法是长期使用联合药物，但单剂量的治疗也能减少一半的感染几率。

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If you look at middle term, in fact, we have exactly the same type of problems, which is we are entering the new period for Internet, data transmission, services, the multi-screens, connected TV.

FORBES: Magazine Article

The cellular telecommunications industry is entering a period of transition from aging, analog-era transmission technology to high-speed "third-generation" (3G) mobile networks.

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