With the rapid development of building industrialization and intelligent construction, in the process of accelerating the transformation and upgrading of the construction industry and promoting the high-quality development of the construction industry, smart construction sites play an irreplaceable role. Starting with the development status and trend of digital twin technology and the help of digital twin Technology to the realization of smart construction sites, this paper expounds the development direction of the construction industry and the scheme of the structure of smart construction sites in the current environment, This paper analyzes the core technology Bim and a number of cutting-edge technologies to realize the smart site with digital twin, and summarizes how to use the digital twin technology to realize the framework of the smart site. Through the promotion of visualization, dynamic management and comprehensive application mode of engineering construction, the collaborative, intelligent and digital management of engineering management can be promoted, so as to improve the efficiency of engineering management.

知识正在成为企业最主要的竞争资源。根据建构主义理论,知识的接受有"顺应"和"同化"两个过程,母子公司的知识管理也可以依据建构主义理论,在知识管理的过程中注意情景因素的影响和构建,使母子公司之间的明晰知识和默会知识都得到较好地传递,从而提高集团公司的竞争力。本文从建构主义理论和知识情景理论出发,建立了母子公司知识管理的模型,并在此基础上对母子公司进行有效的知识管理提出了一些建议。

科技型中小企业在技术创新中越来越多地采取合作创新的方式,本文在文献研究的基础上结合对济南市和威海市十五家科技型中小企业负责人的访谈,深入分析了科技型中小企业参与合作创新的动机以及部分科技型中小企业未参与合作创新的原因,并提出了相应的对策和建议。