The dynamic base-station monitoring technique of structural deformation of sea-crossing bridges is put forward to overcome the difficulty. The new way uses the integrated technique of ETS and GPS-RTK.

• 针对长大跨海大桥形变监测的困难性；提出了跨海大桥结构形变监测的动态基站自动监测技术；动态基站自动监测技术的核心是电子全站仪与GPS-RTK技术的有机集成.