Example sentences of "[adj] over [adj] period " in BNC.

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1 Generalist bees are usually faithful over short periods , one species of trigonid bee near M anaus for example visiting 33 species in 21 plant families in 1 year , though at any one time , over 60% of the individuals of the species had only one pollen type and over 23% had only two .
2 Within the first class of évenements , for example , are the brief spans of individual lives ; within the second are economic trends and cycles lasting several generations ; and in the third , the longue durée , are factors such as population size which may remain unchanged over long periods .
3 He introduced the term structure to emphasize that social life must be founded upon an orderly , organized basis , a determinate framework of positions , roles and expectations which remains constant over considerable periods of time .
4 stable over long periods when sweatily enclosed in plastic bags
5 The growth of international trade during the long post-war boom and the internationalization of production which have given rise to the new international division of labour occurred under a system where exchange rates were stable over long periods of time , and international finance was dominated by the US dollar , the US economy and Washington 's policies .
6 He thinks that when he goes on to test the device in human patients , it should prove successful over long periods .
7 For example , they associate liberal democracy with the core countries , arguing that such a system is only sustainable over substantial periods in countries which are exploiting the entire world-system , and can ‘ buy-off ’ popular demands from their own residents because of the wealth that is being appropriated from other countries .
8 The group elders would normally mediate and settle disputes , but in the open bush conflicts often remained unsolved with feelings of revenge simmering over extended periods .
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