Element 43 has a very fast rate of decay.

43号元素的衰变速度非常快。

youdao

We could have a slow reverse rate and a fast rate into c.

我们可以有很慢的逆向速率，和很快的生成c的速率。

youdao

They can learn to understand new words in two different languages at an incredibly fast rate.

他们能快速理解用两种不同语言表达的同一个新单词。

youdao

Minority children, especially Hispanics, are increasing at a fast rate while the United States has fewer white children.

VOA: special.2010.03.20

Okay. So what happened next was he then started to run that faster, twice as fast as it had been before, changing rate of harmonic pattern. Okay?

好的，比以前的快两倍，比以前的快两倍，改变了泛音的方式，改变了泛音的方式，对吧？

耶鲁公开课 - 聆听音乐课程节选

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

What explains the extraordinarily fast rate of evolution in the human lineage over the past two million years?

BBC: Conflict and 'boom-bust' explain humans' rapid evolution

In 1996 researchers at the University of Texas announced a new battery design offering high performance and a fast rate of charge.

FORBES: Green Gear Test - Folding Electric Bikes

But that would be to forget that the national debt has been increasing at an uncomfortably fast rate since the great crash of 2008.

BBC: Bank casino capitalism for all