求翻译：目前区内规模以上企业50余家，从业人员30000余人，拥有国家级技术中心1个，省级技术中心2个。集聚区功能逐步完善，集聚形态基本形成，平台效应初步显现。2011年，新开工固定资产投资亿元以上项目15个。40万吨醋酸、20万吨乙二醇等20多个新建、续建项目正在施工建设，向纵深推进。是什么意思？

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In the zone are now more than 50 above-scale enterprises, and more than 30,000 employees with state-level technical center, 1A, 2a provincial-level technology center. quartering areas and pool features gradually perfect patterns, which form the basic platform effect initially appeared. 2011 start of

At present in the area above the scale enterprise 50, the jobholders 30000 people, have state-level technology center 1, provincial level technology center 2.Gathers the area function to consummate gradually, gathers the shape basic formation, the platform effect preliminary appearance.In 2011, new

Now enterprises above the designated size more than 50 companies in the region, in China more than 30,000 people, with national level technology center 1, 2 provincial Technology Center. Cluster function gradually improved, agglomeration pattern formed, tentative platform effect. In 2011, started in