To examine the relation between standardization and European economic integration has important meaning in the studies of both European economic integration and the EU standardization.

探讨技术标准化与欧洲经济一体化之间的关系，对研究欧洲经济一体化和欧盟技术标准化都具有重要意义。

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But at a joint press conference with Mr Cameron, Mrs Merkel said different EU countries had taken part in different aspects of political and economic integration in the past, and this approach would continue.

BBC: Eurozone crisis: Cameron backs euro but opposes more integration - BBC News