With the rapid development of high-rise buildings, fire prevention and safe evacuation from high-rise buildings become an important research topic.

由于高层建筑的迅猛发展，高层建筑的火灾防范和安全疏散成为一个重要的研究课题。

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Then pointed out the metadata technology, the computer technology, the GIS technology and so on in close integration with development tendency, set the topic research goal and the significance.

然后指出元数据技术与计算机技术、GIS技术等紧密结合的发展趋势，提出了课题研究的目标和意义。

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Therefore, development of new extractors with high efficiency and throughput is an active research topic.

开发新型、高效、高通量的萃取设备成为化工界研究的一个热点。

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Spanning across marketing, sales, support, and even research and development departments, Social CRM will be a topic hotspot for some years as organizations figure out how to integrate these processes across the customer lifecycle.

FORBES: A Packed Agenda On HR Collaborative Technologies And SocialCRM At Enterprise 2.0 Conference Santa Clara