Example sentences of "[noun pl] back [adv prt] by [adj] " in BNC.

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1 That has provided it with a group nucleus of up to 2,500 sows testing a minimum of six mainstream lines backed up by artificial insemination facilities with more than 100 boars .
2 Are its statements backed up by other sources , biblical or non-biblical , or by archaeology ?
3 Wondering what we had let ourselves in for we anchored as near as possible to Ullapool and contacted the local staff which at that time consisted of local patrol officers backed up by two visiting officers from Dingwall .
4 It is not , at least not in the first instance , the formulation of clear , precise , and coherently related propositions backed up by sufficient evidence and argument .
5 The introduction and enforcement of strict drink-driving laws and speed limits backed up by forceful television advertisements produced a large reduction in deaths from road traffic accidents , the death rate in relation to the number of vehicles in 1991 being among the lowest in the world .
6 In London we have a team of 4 specialist nurses backed up by 2 doctors .
7 However , their membership thought differently and Joe Jacobs and other militants backed up by massive popular support , forced the Communist party to organize the opposition to Mosley at the ‘ Battle of Cable Street ’ on 4 October 1936 .
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