Example sentences of "over long period [prep] [noun] " in BNC.
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| 1 | It has also been clear in his methods of training orchestras over long periods of time . |
| 2 | In other words , they are ‘ better designed ’ not simply by chance ( which would be the case if a large single-step mutation occurred ) , but by the accumulation of myriads of single-step mutations aided , over long periods of time , by the natural weeding-out process of those species less successfully adapted for long-term survival . |
| 3 | Anomalous aspects of nature often venerated by ritual over long periods of time become charged with the directed mental/ psychic energy of their race . |
| 4 | Not only is the method not scientific but , to the extent that Marx did make certain historical prophecies which can be related to empirical evidence over long periods of time , these can be examined and by and large they have not proved to be valid . |
| 5 | 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 . |
| 6 | ABOVE Experiments can be done to find out how ditches silt up over long periods of time , how earthworks erode , and how finds move . |
| 7 | 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 . |
| 8 | He believed that the surface of the earth changed gradually over long periods of time , and saw that such changes would have an effect not only upon the physical environment to which living things were exposed , but upon the possibility of migration to new locations . |
| 9 | Big business or some trade unions , for example , seem to have exercised power consistently over long periods of time . |
| 10 | 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 ’ . |
| 11 | What it seems to mean is that evolution did not normally proceed by a process of gradual change of one species into another over long periods of time . |
| 12 | 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 . |
| 13 | Ideals have always been developed over long periods of time as the result of historical evolutions and through exceptional personalities . |
| 14 | Children received portions of the family property on different occasions over long periods of time . |
| 15 | Comparisons of this kind are difficult to make with accuracy over long periods of time ; but the direction and size of the change are beyond doubt . |
| 16 | It partly corresponds to the asthenosphere , the plastic-like properties of which permits slow ‘ flow ’ of material in response to forces applied over long periods of time ( Fig. 2.7 ) . |
| 17 | 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 . |
| 18 | Research has shown that over long periods of time , the stock market does tend to exhibit semi-strong efficiency . |
| 19 | What I know about palaeotology is n't too much I mean I obviously have to try and know a bit , but it 's not my field — erm in order to test the minor claim , you have to be able to get your hands on some rock which actually consists of continuous sedimentation over long periods of time . |
| 20 | Although Britain has been occupied by man for more than 25,000 years , in a form of intermittent visits over long periods between glaciations , it is only for the last 12,000 years or so that the country has been continuously occupied , with people moving into Britain permanently to exploit what resources were available . |