Example sentences of "over a long time [noun] " in BNC.

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1 This is clearly not the case where some very frail old people are concerned but reciprocity can be viewed over a long time scale .
2 The second would be at the City Airport , where BA might offer attractive low fares , sustainable over a long time period by cross-funding from their worldwide profitable operation .
3 I should very much like the opportunity to discuss with the hon. Gentleman and his hon. Friends , and other colleagues from Northern Ireland , how we can introduce a strategy for promoting inward investment over a longer time scale than that hitherto adopted .
4 And again , over a longer time span genes will have changed by mutation or altered their effects by chromosomal recombination so that the effect they exert on traits can never be considered in isolation .
5 ( A very similar series over a longer time span can be found in the dataset ECONOMY . )
6 Development of all major new weapons programmes would nevertheless continue but over a longer time span .
7 If , as it may be , such a system would cost more to operate than grant payments do , it would be of little advantage except in the important psychological sense that it would be a greater personal investment by the farmer over a longer time period .
8 This experiment was conducted over a longer time period ( ten days ) , starting with young plants .
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