Example sentences of "have been obtained from a " in BNC.

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1 The system ( 2.6 ) has been obtained from a system similar to ( 2.4 ) by adding a linear variable , w .
2 If information has been obtained from a third party it has to be recorded as such , as well as any challenge to the accuracy of the information by the data subject to which it refers .
3 It is Alan Usher 's contention that if this evidence had come to light before the trial , a third opinion could have been obtained from a specialist paediatric pathologist .
4 He challenged the validity of a search warrant which had been obtained from a sheriff , alleging that statements by inquiry officers about a flickering light being seen at a bedroom window were a blatant and malicious fabrication .
5 Small samples have been obtained from a feral cat hunting at Rhulen in Wales and from a captive margay in London Zoo .
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