In the late over 20 years , nonlinear rotor dynamics is theadvancing front and the hotspot in the international academe andengineering area 近二十余年来，非线性转子动力学一直是国际学术界和工程界关心的前沿和热点。
To maintenance the stability of underground chamber , the problems have always been discussed about how to take reasonable excavation method 为了维护地下洞室的稳定，如何采取合理的开挖方式一直是工程界所关心的问题。
To maintenance the stability of underground tunnel , the problems have always been discussed about how to take reasonable and timely shoring 为了维护地下隧洞的稳定，如何采取合理、适时的支护一直是工程界所关心的问题。
The durability of the concrete construction has been an important issue in the engineering field with the growth of use of construction 随着已建成结构投入使用时间的增长,混凝土结构的耐久性成为工程界关注的一个重要问题。
Reinforcing the strength of concrete , saving the cement and reducing the engineering cost are always important problems concerned about by experts 提高混凝土的强度，节约水泥，降低工程造价一直是工程界所关注的重要问题。
Along with the wide application of rubber bearings , their quality , service life and aging have drawn extensive attention 摘要随着橡胶支座的广泛应用，桥梁橡胶支座的产品质量、使用寿命和老化已成为工程界十分关注的技术问题。
The problem of connection seismic behaviors is of great importance for structure field , and the foreground of study and application is very wide 节点抗震性能研究是结构工程界重点研究的课题之一，研究及应用前景十分广阔。
It is the first specialized journal in china in medical instrumentations and has a long history of 40 years 《中国医疗器械杂志》是国内首家医疗器械专业杂志?本刊编委会由国内生物医学工程界知名学者、专家等组成?以确保载文质量。
Obermeyer has been a leading engineering partner in the development and construction of the german high speed rail system on from the beginning 在德国高速铁路系统的建设和发展过程中，欧博迈亚公司自始至终都是工程界的领头羊。
Due to the important infection in using foundation , the negative friction in pile has became one of the engineering skill focus 鉴于负摩擦力对桩基础应用过程中的重要影响，桩基础的负摩擦力已经成为基础工程界的一个技术热点。
