Using data from the first 7 years of operation, this refined universal age could be arrived at.

宇宙的年龄达到这种精确程度，是使用早先7年的数据分析的结果。

youdao

He said the Mahina has only seen this type of case one other time in its 30 years of operation.

他说在马西纳号经营的30年间，同样的案例之前只发生过一次。

youdao

To achieve the TanDEM level of detail on all 150 million sq km of the Earth's land surface will require three years of operation.

为了得到地球1.5亿平方公里的陆地面积的所有这种水平的细节，TAnDEM将需要运作3年。

youdao

The company is said to have never broken its contract with the government in its two and a half years of operation.

VOA: special.2010.04.26

When I reflect on the first couple of years of Baidu's operation, I think there are three things that's very critical.

当我回想百度最初的那几年，有三件事是非常重要的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

It is going on for many years actually from the time of operation providr comfort with which I was involved in Northern Iraq when we realised that we would have civilian problems we need to develope civilian capacity to deal with these things.

这种状况已经持续了很多年了,从一开始在阿富汗北部,我参与的提供安慰行动,那时候我们就意识到我们缺少平民,我们需要更多的平民来解决这些问题。

普林斯顿公开课 - 国际座谈会课程节选

The original Menlo Park warehouse signed up 600 members after three years of operation.

FORBES: TechShop: Welcome To Your Neighborhood Xerox Parc

It was rededicated the Lovell Radio Telescope in 1987 to mark 30 years of operation.

BBC: Lovell Radio Telescope refurbished

It has been among the Center's most important contributions to the national security debate in its 23 years of operation.

CENTERFORSECURITYPOLICY: Shariah Awareness Project