She advised his parents to use a special device called a peak flow meter.

VOA: special.2009.07.28

And so when you actually have a device the bits don't flow at the speed of light in reality.

因此，当你拥有一个设备,数据位并不能以现实中的光速传输。

哈佛公开课 - 计算机科学课程节选

And so when you actually have a device the bits don't flow at the speed of light in reality.

因此，当你拥有一个设备,数据位并不能以现实中的光速传输。

哈佛公开课 - 计算机科学课程节选