A new prestressed bowshaped structure strain multiplier was designed to solve problem which strain amplitude is much lower than the threshold of fatigue life gage , and this strain multiplier take the advantages of entire structure , lower stiffness , good reliability and convenience to use 设计出一种弓形预应力结构应变倍增器,解决了桥梁应变幅值远远低于疲劳寿命计门槛值这一关键问题,此倍增器具有整体性强、刚度低、可靠性好、使用方便等优点。
Networking , informatization and digitizing are promoting the development of the world economy and human on the whole . the network - based information technology has been the key factor and accelerator of economy development . the network - based information era gives an quite new commercial environment to enterprise 网络化、信息化和数字化正在从整体上引导世界经济和人类社会发展的进程;以网络技术为重要内容的信息技术已成为经济发展的关键因素和倍增器;网络化的信息时代给企业提供了全新的商业环境。