Better signalling can increase the average speed of journeys.

优化信号传递可以提高平均运行速度。

At an average speed of about 67,000 miles per hour.

时速大约为每小时67000公里。

For comparison, humans' average walking speed ranges from 2.5 to 4 mph.

相比之下，人类平均步行速度为每小时2。5到4英里（4到6千米）。

Temperature is basically the measure of the average speed of these fantastic dancers performing all day.

温度基本上就是在测量这些杰出舞蹈家整天下来的平均速率。

When he managed to get an average speed of 317.6 mph (511 kph) during his run.

当时他的平均速度达到了 317.6 英里每小时（511公里每小时）。

The answer is actually 4.6mph. And we pedestrians walk at an average speed of 3.1mph apparently!

答案是4.6英里/小时。并且很显然步行者的平均速度是3.1英里/小时。

And in 2017, they hit the top spot with an average internet speed of 28.6 megabytes per second.

到了2017年，他们以每秒28.6兆字节的平均互联网速度达到最高点。

He ran at an average speed of just over 21kph (13mph), or 100 metres every 17 seconds.

他的平均速度略高于21公里/小时(13英里/小时)，即每17秒跑完100米。

In fact, can you tell me, Neil, what’s the average speed of a bus travelling along Oxford Street?

尼尔，你能告诉我实际上牛津街公交的平均车速是多少吗？

After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.

比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。

In 2006, German police said the average speed on one part of the Autobahn was 142 kph (88 mph).

2006年, 德国警方称一部分高速公路的平均速度是每小时142公里(每小时88英里)。

OK, well I asked you: What’s the average speed of a bus travelling along Oxford Street?

好的，我问你在牛津街上公交的平均速度是多少？

This is in addition to the fact that the average wind speed reaches as much as 20 miles per second.

此外，平均风速达到每秒二十英里。

In 2019, for example, the winner finished in under 3 hours, with an average speed of 175. 8 miles per hour.

例如，在 2019 年，获胜者在不到 3 小时内完成比赛，平均时速为 175.8 英里。

C. They could walk at an average speed.

C. 他们可以以平均速度行走。

The average speeds of less than 40 miles per hour.

平均速度低于每小时40英里。

The whole thing is about your average speed over time.

整个事情是关于你随时间的平均速度。

His average speed had been 301 miles per hour.

他的平均速度是每小时 301 英里。

It only registered two punches and your average speed said 9.8 miles per hour.

它只记录了两拳，你的平均速度是每小时 9.8 英里。

These vehicles would maintain a uniform speed, safety permitting, that matches the average speed of the overall flow, preventing traffic waves from forming.

在保证安全的情况下 这些车辆会保持一致的速度，和整体车流的平均速度匹配，进而避免拥堵车潮的形成。