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

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1 Moreover , a secretary attached to a legation or an embassy and not to an individual minister or ambassador , and remaining at his post over a fairly long period , could become a valuable source of information about local conditions : this might be of great help to a new head of mission coming to a strange country of which he knew little .
2 Fussler and Simon , in Patterns in the use of books in large research libraries , affirmed that ‘ past use over a sufficiently long period is an excellent and by far the best predictor of future use ’ , although they observed , ‘ the confidence limits of prediction vary significantly from one subject to another ’ .
3 In RENFE since 1976 and in BR over a far longer period , a wide range of agreements have been reached through the machinery , giving the unions influence over the determination of virtually all aspects of conditions of employment and work organization .
4 With press media , it is possible to spread the same money over a much longer period , especially if monthly magazines are used , since monthlies accumulate their readership of as many as 10 or 11 readers per copy over quite a long period .
5 This was particularly the case with patients who had been given methadone reduction over a relatively long period of time , say two to three months .
6 The fact that it is very difficult to do does n't prevent a lot of people wishing to achieve it , but it is very seldom that , in the industrial world , anybody has achieved and held continuously a pre-eminent position over a very long period of time .
7 But you know we have to look beyond the first year or two , we have to look at what 's going to happen to that school over a much longer period of time , and quite frankly erm I would feel safer with erm what was called the big brother of the Local Authority .
8 When the additional money is spent on training nurses , it is important that every effort be made to retain their services over a much longer period , which may involve making the terms and conditions more flexible for women returning to work .
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