That means the force you're applying is cancelled by another force, which has got to be the force of friction.
意味着你施加在物体上的力被另一个力抵消了,这个力就是摩擦力
I've got one test there, and then I've just got one thing to do here, which has got a subtraction and a multiplication.
这儿有一个比较,然后在一个基本步骤里,做了一个减法和一个乘法两个基本操作。
But if I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.
但是如果我透过窗户看到你,这个物体沿着某个轨迹运动,既有上下,也有水平方向的运动
That quantity in parenthesis, I have a mass which is a positive number. Something raised Something raised to the fourth power has got to be positive.
顺便说一句,质量这个量是个正数,四次方的值,肯定是正数。
Now, let's go back to a theory which has at least got the virtue of being very old, although hardly anybody believes it anymore.
现在,让我们再回去看一个理论,它的优势在于非常古老,虽然已经没人再相信它
Suppose we've got some sort of radioactive atom, which has a certain chance of decaying.
假定我们有某种放射性原子,它们以一定的几率衰变
Well, start anywhere you want. Breton, which is a language that has nothing to do with French at all-- here, oh I've got a really funny story I was going to tell about a Breton priest, a French speaking Breton priest, but that's for another day.
从哪开始都行,布列塔尼语,这个语言和法语没有任何关系,这,我准备讲一个特别有意思的故事,是关于一个布列塔尼牧师,说法语的布列塔尼牧师,不过这以后再讲了
Now, one of the questions we could still ask is, right, we've got binary search, which has got this nice log behavior.
目前,还有一个问题我们仍然要问的是,对,我们已经学了二分查找,有着非常好的log级别的行为。
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