They have already been applied to many practical areas, for example, economy, mechanics, engineering, optimal control and so on.
他们已经被成功地应用到众多实践领域，如：经济、机械、工程以及最优控制方面。
Italy is synonymous with quality not only regarding usual Italian export sectors (fashion, furniture, food products), but also in such sectors as mechanics, engineering and technology, he noted.
他指出，意大利是质量的代名词，这不仅体现在其时尚，家具，食品等出口领域，而且体现在其机械，工程和技术等领域。
Italy is synonymous with quality not only regarding usual Italian export sectors (fashion, furniture, food products), but also in such sectors as mechanics, engineering and technology, he noted.
他指出，意大利是质量的代名词，这不仅体现在其时尚，家具，食品等出口领域，而且体现在其机械，工程和技术等领域。
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