The ministry said that Chinese engineers had improved on the foreign technology and that the trains were safe at the higher speeds.

铁道部回应说中国的工程师已经将国外技术提高，列车将以更高的时速安全运行。

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Within two years they had come up with Toyota's hybrid technology, in which a battery powers the car for short distances and a petrol engine kicks in at higher speeds, recharging the battery.

在两年内他们发明了丰田的混合动力技术，凭借它，一辆汽车可以在短途行驶时采用电池动力，在高速行驶时采用汽油动力并为电池充电。

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At higher speeds, the main turbine takes over.

高速航行时，主涡轮机接管工作。

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City Safety can prevent collisions completely at speeds of up to 30kph (18mph), and at higher speeds it softens the impact.

ECONOMIST: Inside story

This would manage traffic at much higher speeds than the Titan and would be optimized for data communication formats like asynchronous transfer mode.

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At higher speeds, the main turbine takes over.

ECONOMIST: Monitor