Example sentences of "[art] system [is] [adv] used " in BNC.

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1 Because of this , the system is rarely used now , but it does still exist in some older houses .
2 The system is also used by the Government of Malta .
3 In such cases the system is merely used as a collective vehicle for an open-system approach which involves input , storage , output relationships ; for systems hierarchies ; and for concepts such as thresholds and relaxation times which relate to change and are considered in chapter 8 ( p. 174 ) .
4 Although rejected by the conference , it is noteworthy that the system is now used when the carboxyl group is attached to ring and for some acids ( eg citric acid is 3-hydroxypropane-1,2,3-tricarboxylic acid ) .
5 ( John Banton confirmed at lunch that the system is only used once a day and I was in a room where he suspects that the volume control may have been defective , He made a note to look into it . )
6 The system is much used for radio-frequency investigations but in principle is applicable at audio frequencies too .
7 The purpose of compliance testing is to discover whether , and if so , how , a system is actually used .
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