Example sentences of "[noun pl] over long period of " in BNC.

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1 It has also been clear in his methods of training orchestras over long periods of time .
2 Government is becoming increasingly task or product orientated , rather than directed towards carrying out functions over long periods of time in line with established routines .
3 This trade-off was based on the original observations by Professor A. W. Phillips of the relationship between the rate of change of money wage rates and unemployment levels over long periods of time going back as far as 1861 .
4 Three features which are significant are trend , which includes well defined cyclic behaviour ; persistence , when a particular value in a sequence is constrained by adjacent values ; and intermittency , whereby there is a tendency for non-periodic grouping of like values over long periods of time , which effect is called the ‘ Hurst phenomenon ’ .
5 To be of any practical use , an object made from a polymeric material must be able to retain its shape when subjected to even small tensions or compressions over long periods of time .
6 Children received portions of the family property on different occasions over long periods of time .
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