一、征文目的以集世界各国桥梁设计、施工中的优秀作品 ,为全国桥梁设计与施工人员提供丰富的、多层次的宝贵资料。为 2 1世纪中国桥梁设计、建设与发展提供高标准 ,为专业技术人员、科研单位、设计单位、建设单位、各专业院校提供祥实的参考资料。二、撰写内容撰写国内外不同? I. Purpose of Essay To collect excellent works from bridge design and construction in all countries in the world and provide abundant and multi-level valuable materials for bridge designers and constructors across the country. It provides a high standard for the design, construction and development of China’s bridges in the 21st century and provides solid reference materials for professional and technical personnel, research institutes, design institutes, construction units and specialized institutions. Second, writing content written at home and abroad different?