3G Data Service Testing

chemical data service

Data service system

FTP data service

grid data service

seismological data service

Spatial Data Service

spatial data service online

vector data service

water conservancy data service terrace

3D geological data management and service system

automatic data processing service center

circuit switch data transmission service

data sharing service

data transform service

Design of data management and application service system

network of geological data management and service system

World Climate Data Information Referral Service

convesion of curved-surface data into borizontal-plane data