The F.C.C.wants one hundred million homes to have inexpensive Internet service at ten times current speeds.

VOA: special.2010.03.19

And so the slope of this thing is f at the triple point, which is this point here, this is the temperature of the triple point of water, f divided by 273.16. That's the slope of that line.

除以x轴的坐标,这就是斜率，而直线,经过原点，因此斜率乘上T就得到。

麻省理工公开课 - 热力学与动力学课程节选

Your problem is to only look at the forces of contact on you, and that is just this f.

你只需要注意那些直接作用在这个物体上的力,那就只有 f 了

耶鲁公开课 - 基础物理课程节选

You can see it at the museum's Steven F.Udvar-Hazy Center in Chantilly,Virginia.

VOA: special.2009.03.18

printf Well, notice I'm calling print F with percent C, and then I'm printing out each of these letters one at a time.

好的，请注意我用%c来调用，然后我打印出一个一个打印出这些字符。

哈佛公开课 - 计算机科学课程节选

The young men asked for coffee at the F.W.Woolworth store lunch counter.

VOA: special.2010.01.29

The F.A.A.plans to test new radar systems at airports in Chicago,Illinois;

VOA: special.2009.04.01

Tim Whittman at the F.B.I.

VOA: special.2010.06.14

Sampson Kollie has malaria. He's being treated at the John F.Kennedy Memorial Hospital in Liberia's capital.

VOA: standard.2009.04.25