Example sentences of "have [verb] a major impact " in BNC.

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1 The controversy surrounding the overall record of the Thatcher administration suggests that it has had a major impact .
2 Thermoluminescence has had a major impact on the antiquities market starting from about 1970 when the first tests were made in Oxford .
3 Remembrement — the government sponsored reorganisation of land to produce larger fields and rationalised farms — has had a major impact on agricultural productivity and intensification in many parts of the French lowlands over the last few decades .
4 This recognition has had a major impact , not only in the ecological field but also in that of Earth Mysteries .
5 The Franks Report has had a major impact on critical analysis of tribunals .
6 Initial results from the first phase of the research ( summer 1986 ) show that the police are sticking very closely to the new rules and that this has had a major impact in the way CID officers conduct investigations .
7 There can be little doubt that the survey since its modern inception has had a major impact on social research , and any history of social research has to award it a salient place .
8 MRI has had a major impact on the diagnosis of primary and secondary tumours within the central nervous system .
9 Nevertheless , concern about the loss of agricultural land has had a major impact on development plans , on planning decisions , and on appeal decisions .
10 But in numerical terms this factor can hardly have made a major impact — the Max Planck Institutes permanently employ only 2000 researchers , compared with a total of 76 000 university academics of whom more than 20 000 are professors .
11 Probably because it started the 1980s with a fleet of new 125mph HSTs which had made a major impact on its market , the East Coast main line was far better placed to withstand the rigours of the recession than its West Coast neighbour .
12 These key demographic developments of the past 20–30 years have had a major impact on regional and local populations in the UK .
13 Dakotas have had a major impact on the development of South African aviation .
14 Although Urry ( 134 ) reasonably cautions against a ‘ politicist ’ account that sees nationalization as largely reflecting the ambitions of the labour movement and its political representatives , these ambitions have had a major impact on nationalization .
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