The researchers said tPA improved the chances of a successful result by thirty-one percent and produced no change in the death rate.

VOA: special.2009.09.22

Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.

同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关

耶鲁公开课 - 基础物理课程节选

If X is the number of cells, then the rate of change of X, dX/dt, the rate of change of the cell population, how fast division is taking is proportional to the number of cells I have.

如果X是细胞数目,那么X的改变率就是dX/dt,就是细胞数目的改变率,分裂的速度有多快,和细胞数量呈比例关系

耶鲁公开课 - 生物医学工程探索课程节选

He's trying to relax us here by slowing down the rate of harmonic change here.

他希望通过减慢泛音的变化速度让大家在这里快要睡着了。

耶鲁公开课 - 聆听音乐课程节选

The other but more commonly used monetary policy is to change the rate is to effectively alter the rate of interest on deposits.

另一种形式，更广泛地被运用着,是货币政策是用来改变比率,有效地调整存款的利率水平。

耶鲁公开课 - 金融市场课程节选

The rate and pace of change in the industry is such that it's always kind of a jump ball environment where companies are not able to hang on to a great position for a super long time.

这一行变化的速度,就是这样,总处于一种跳球环境中,公司不能,永远处于不败之地。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

So the whole piece,then,would be a piece involving irregular rate of change-- the entire piece.

所以整首歌曲中和声都有不规则的改变-,整首歌曲都是。

耶鲁公开课 - 聆听音乐课程节选

There was an important change in the discount rate in January of 2003.

在2003年一月,贴现率有了一次很重要的改变。

耶鲁公开课 - 金融市场课程节选

Okay.So that's all you got to do, and you can hear the holding for twice as long as the other, so you got irregular rate of harmonic change.

好的，现在需要大家做的都弄好了，而且大家可以听到比别的要长两倍，这就是泛音的不规则变化率。

耶鲁公开课 - 聆听音乐课程节选

So what's happened to the rate of harmonic change here?

所以说这里的和声变化率是怎样的？

耶鲁公开课 - 聆听音乐课程节选

The rate of harmonic change has slowed down considerably here.

泛音的变化速度减得相当慢。

耶鲁公开课 - 聆听音乐课程节选

I want to make one other point before we launch into that, and that is the following: that composers use the rate of harmonic change-- whether it's changing or not changing-- to sort of make us feel different ways about the music that we are listening to.

在此之前我还要说一个问题，不管和声有没有改变，作曲家都能通过和声改变的频率-,让我们对所听的音乐有不同的感受-,它能让我们感受到这段音乐。

耶鲁公开课 - 聆听音乐课程节选

So here in the G Minor Symphony we feel as--oh, it's so full of tension, angst,anxiety, perhaps passion, it's driving somewhere, and one of the things that's driving it is its accelerating rate of harmonic change.

在G小调交响曲里我们能感觉到，哦，音乐中充满了紧张，揪心，焦虑，甚至激情，这些感情正在向某个方向涌去，吸引它们的力量之一就是不断加速的和声变化率。

耶鲁公开课 - 聆听音乐课程节选