What's more, China is working on the new high speed trains with the highest speed of 400km/h.

更重要的是，中国正在研制最高时速400公里的新型高速列车。

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They're working at the highest speed possible.

他们在以尽可能快的速度工作。

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Usually, its highest speed is 180 kilometers per hour.

通常，它的最高时速达到每小时180公里。

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The highest speed class available today, the UltimateXX meets standards set by the Secure Digital Association for next-level performance in SD card technology.

ENGADGET: Kingston launches USB 3.0 roadmap, SDHC UHS-I UltimateXX card

On wireless, Qualcomm announced they would integrate the highest speed LTE, CAT 4 150Mbps with LTE Advanced Carrier Aggregation, onto the Snapdragon 800 die.

FORBES: Who Won the Smartphone Chip Wars at CES 2013?

Motorcyclist Andrew Osborne reached the highest speed ever recorded by police on a British road before Brady was caught, when he was clocked riding at 157mph.

BBC: NEWS | UK | England | Police search for '176mph biker'