What are the elements of digital waterway construction?

The elements of digital waterway construction include data acquisition, network transmission, computing resources, data resources, application support, business applications and external services. "Digital Waterway Construction" is a highly integrated information project, which is based on geographical coordinates, takes the actual waterway as the object, describes the waterway and its related ancillary facilities based on spatial information, adopts the spatial form of multi-resolution, multi-scale and multi-dimension, and comes from the concept of "digital earth", and carries out visual design, construction, management, planning, maintenance and comprehensive application through mass storage technology, remote sensing and computer technology.