Remember, Newton said F = ma, but didn't tell you what value F has in a given context.

记住,牛顿只说 F = ma,但却没告诉你 F 在特定条件下的值是多少

耶鲁公开课 - 基础物理课程节选

So isn't f already a float?

所以f不是已经是个浮点数了吗？

哈佛公开课 - 计算机科学课程节选

If we could find the right F, and make out the argument, the physicalist can't explain it or does a bad job of explaining it and the dualist does a better job of explaining it, we'd have reason to believe in the soul.

如果我们能找到合适的特性F,并且给出论证,物理主义者无法解释,或者解释得很牵强,而二元论的解释更合理,那么我们就有理由相信有灵魂存在

耶鲁公开课 - 死亡课程节选

We flew a simulated mission within a grounded duplicate of the flyable F-35 cockpit, and the capabilities and improvements are quite clear -- you definitely don't want to encounter an F-35 from a previous-generation aircraft.

ENGADGET: Lockheed Martin F-35 Lightning II stealth fighter cockpit demonstrator hands-on (video)

Consider leasing a squadron of F-16 fighter aircraft along with T-38 supersonic trainers.

CENTERFORSECURITYPOLICY: Enter the dragon

We were so busy playing with Fujitsu's GPS cane and 5-inch F-02E phone, that we didn't even notice the company introduce a waterproof, dustproof Android tablet.

ENGADGET