Example sentences of "[verb] over a [adv] [adj] time " in BNC.

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1 We 've got to look at it in those terms , and so it is not necessary in my submission for anyone to prove at the moment there is at least five thousand dwellings short , erm that that is something which ought to be considered over a much longer time period .
2 In our sort of high-technology business , the high profits tend to be made over a fairly limited time , which in many cases appears to be getting shorter .
3 The major difference appears to be that of timescale ; perfusion is spread over a much longer time scale than arterial infusion .
4 In the developed world , the harnessing of fossil fuel energy as well as other scientific developments , and their application to agricultural systems , has opened up a new range of agricultural possibilities : but all this has happened over a relatively long time period and is not without its environmental implications .
5 It has been a traumatic time for everyone at Burston during the past year or so and a great deal has been achieved over a very short time .
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