Sentences with phrase «place over a period of several years»
Nuclear warhead design takes place over a period of several years.
https://www.newscientist.com/ Not exact matches
This does not seem a very large loss rate, but it has taken place relentlessly for more than 2 billion years, and the equivalent water or CO2 lost over this time period is in excess of several meters of liquid water spread over the whole surface of Mars.
The film takes place in New York City over the course of several years in the heady literary period of the late 1920's and early 1930's.
We have conquered the place of origin of human beings on several journeys, over a total time - period of 4 years, starting in the 1970s, with Unimog and Graef & Stift trucks, from North to South and East to West.