Float type wave power ocean profile observation instrument
Stability monitoring device for shipborne underwater topographic surveying instrument
Self-adaptive deviation-correcting and fixing device for probing rod
Multi-element full-automatic water floating evaporation measurement device and method
River depth measuring instrument for land surveying and mapping
Navigation mark setting method for assisting surveying and mapping through unmanned aerial vehicle
Monitoring system for safe offshore operation of offshore wind plant
Ship cab human body monitoring method based on infrared sensing
Layout method of sensors for health monitoring of semi-submersible ocean platform structure
Urban river network drainage basin pollutant transport device and use method thereof