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

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

What it means is if you'd release a rock at that location one second before with a certain speed that we can calculate, it would've ended up here with precisely the position and velocity it had at the beginning of our experiment.

它的意义在于,若在该处以特定速度抛出一个物体,这个速度可通过计算得到,一秒之后,物体会运动至我们设定的起点,并且速度为我们设定的初速度

耶鲁公开课 - 基础物理课程节选

And a big wireless carrier, AT&T,calls extending the net neutrality policy "a risky experiment" with American investment in high-speed Internet.

VOA: special.2009.09.25

Rapping could be described as speaking or singing words at a fast speed over music with quick beats.

VOA: special.2009.10.14

But blood drops with long tails can tell a great deal about the direction, speed and angle of the blood's starting point.

VOA: special.2010.05.05

And Akio Toyoda promised a new level of openness and speed in dealing with safety issues.

VOA: special.2010.02.26

Bohlin's work with planes showed him what could happen in a crash at high speed.

VOA: special.2010.02.09

The revelation triggered a wave of condemnation on the House floor, with Republicans j oining Democrats in calls to speed passage of new sanctions legislation.

VOA: standard.2009.09.25