Albert Einstein predicted this in 1905, when he introduced the concept of relative time as part of his special theory of relativity.

阿尔伯特·爱因斯坦在1905年预测到了这一点，当时他在狭义相对论中引入了相对时间的概念。

youdao

The concept of square-free coloring was introduced in graph theory by Alon in 2002.

无正方形着色的概念由阿龙在2002年引入图论。

youdao

The concept had been discussed in scientific literature but only in theory.

她说，这种理念之前在科技文献中曾经被探讨过，但只是在理论层面。

youdao

Another important concept in probability theory that we will use a lot is expected value, the mean, or average-- those are all roughly interchangeable concepts.

概率论中另外一个常用的重要的概念是,期望值或者也叫均值,这两个概念可以互换

耶鲁公开课 - 金融市场课程节选

But, in terms of the basic theory, that's the core concept.

但在基本原理上来说,它是核心概念

耶鲁公开课 - 金融市场课程节选

I wanted to say one more thing because I realize that you have to-- your first problem set will cover this-- is to talk about the concept that applies probability theory to Economics.

我还想提一点,因为我意识到...,你们的练习题中会涉及到这个,概率论在经济学中的,应用的问题

耶鲁公开课 - 金融市场课程节选

"I think the concept and the theory of doing that kind of work is still a good one, " says Hess.

FORBES: As a businessman, he's been mixing with a sketchier crowd.

The academic concept of efficient market theory that prices already reflect all available information has led to the creation of index-tracking funds that allow investors to own a diversified portfolio at very low cost.

ECONOMIST: Investment management

In theory the UltraViolet concept has always been a solution to the problem for digital ownership of high value content however, when requiring so many different industries to support and agree on all aspects of the specifications of such a program, it can often feel like getting nations to agree on the Kyoto Protocol.

FORBES: UltraViolet: Boom Or Bust For Studios And Consumers?