With a speed of 250 km per hour, it's also the first mountain heavy train line to provide a 4G network.

它的时速为250公里，也是第一条提供 4G 网络的山地重载铁路线。

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You'll also need a processor with a speed of at least one gigahertz.

你还需要一个速度至少1ghz的处理器。

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Give the right computer a massive database of faces, and it can process what it sees—then recognize a face it's told to find—with remarkable speed and precision.

给合适的计算机一个庞大的人脸数据库，它就可以以惊人的速度和精度处理看到的东西，然后按照指示识别人脸。

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Tornadoes usually travel in a northeasterly direction with a speed of thirty-two to sixty-four kilometers an hour.

VOA: special.2010.05.11

Gallium arsenide switches ten times faster than silicon All of a sudden,I've got a clock speed ten times faster with no change in design.

砷化镓启动的速度是硅的10倍,突然，我得到了10倍快的时钟速度,但是设计没有发生任何改变。

麻省理工公开课 - 固态化学导论课程节选

A high-speed French train can reach 574 kilometers per hour, but the record was set a Japanese train with a speed of 581 kilometers per hour.

VOA: standard.2010.02.15

The owner of Finch's Arms, a hotel and restaurant in Hambleton, said he has seen a "significant change to our clientele" with a speed of 63Mbps.

BBC: Hambleton in Rutland gets ultra-fast broadband

The UK government has said it wants to deliver the best superfast broadband network in Europe by 2015, with 90% cent of the UK receiving superfast broadband and everyone else to have access to standard broadband with a speed of at least 2Mbps.

BBC: Extra ?32m for superfast broadband in Scotland

During early 2000, AMD was the first of the two to launch a chip with a clock speed of 1, 000 megahertz, or 1 gigahertz, a sort of industry milestone.

FORBES: Silicon Confusion