对新产业区的定义及其特征描述要充分考虑新产业区的成因。

Definition and feature description to new industrial district must fully consider the origin cause of formation of the new industry district.

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对新产业区研究发现，在相同或相似的外部条件下，有的欣欣向荣，有的在衰退甚至消失。

Studying the new district, we find that, on the same conditions, some prosper, some decline and even vanish.

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国外有关聚集的研究已经取得了许多成果，包括增长极理论、地域生产综合体理论、产业聚集理论、新产业区理论等。

There are many a research achievement regarding agglomeration, such as growth pole, regional production integrity, industrial agglomeration and new industrial district.

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西安大天科技股份有限公司，位于西安高新产业开发区，占地50余亩，股权设置4000万股。

Xi 'an Great Sky Sci-tech co., Ltd. is located in Xi 'an High tech Industry Development Zone, taking up 50 mu of land and comprising 4 thousand shares.

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西安大天科技股份有限公司，位于西安高新产业开发区，占地50余亩，股权设置4000万股。

Xi 'an Great Sky Sci-tech co., Ltd. is located in Xi 'an High tech Industry Development Zone, taking up 50 mu of land and comprising 4 thousand shares.

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