As such, these puny foraminifera serve as very distinct tags of when the K-T extinction event started.

因此，当K-T灭绝事件开始时这些微小的有孔虫充当十分鲜明的标签。

youdao

The theoretical analysis shows the algorithm is global convergent to the K-T point under common condition.

从理论上分析，在一般条件下，算法全局收敛于问题的K T点。

youdao

Then, in 1991, researchers discovered a 120-mile-wide, 1.5-mile-deep crater called Chicxulub in Mexico of the same age as the K-T boundary.

随后，在1991年，研究人员在墨西哥发现了与K-T界限在同年代的一个直径120英里宽，1.5英里深的陨石坑，被称为Chicxulub。

youdao

It was a short way of writing a different spelling of the words all correct. Some foreign-born people wrote all correct as o-l-l k-o-r-r-e-c-t, and used the letters O.K.

VOA: special.2010.02.28

The U.K. Had copied the U.S. Idea -I guess they copied -I don't know where the original -I think it's probably -is it U.K. Cpying the U.S. In this case?

英国效仿了美国的想法,我猜他们是效仿美国的,我也不知道谁先发明的,我认为可能是,存款保险是英国模仿美国

耶鲁公开课 - 金融市场课程节选

The classic experiment that demonstrated anchoring was Kahneman and Tversky--I'm writing K&T -in a wheel of fortune experiment, which they did in 1974.

一个阐述锚定效应的经典实验是,卡尼曼和特维斯基...我用K&T来表示,他们在1974年做了幸运轮盘实验

耶鲁公开课 - 金融市场课程节选

The question is one of the most hotly contested in palaeontology and revolves around an apparent gap in the fossil record immediately prior to the K-T boundary - the distinct layer of geological sediments separating the Cretaceous and Tertiary periods, and associated with a massive asteroid impact and global extinction event.

BBC: Closing the 'three metre gap'

Even though our local Target, Wal-Mart and K-Mart didn't have any next-gen format movies or stand alone players, they all had the Xbox360 add-on drive.

ENGADGET: The retail presence of the format war HD

Critically, First Solar executive vice-president T K Kallenbach insists the company will not have to share its cutting-edge PV technology with domestic competitors, as many Western renewables players seeking to enter the vast Chinese market have been forced to do .

FORBES: First Solar's Dangerous Game