技术群 meaning in Chinese

technology clusters

These technologies , bray argues , constitute a significant cluster of technologies that helped to maintain material and moral order of ming china
该书采用“技术群”的概念，重点探讨农业、纺织和民用住宅建筑三方面的技术，认为是维系明代社会物质文化秩序的重要技术。
The dissertation of study on technology - driving force has studied the history of technology development , which has spanned thousands of years in the world , and the climaxes of technology development have been considered as seven technology revolutions . in this paper , the features , dominating technical group and technology core countries / regions of each revolution have been identified
《技术发展多元驱动力研究》研究了几千年跨度的技术发展史，把技术发展的几次高潮视为七次技术革命，分析出每一次技术革命的特点、主导技术群以及其中心国家或地区。