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Informatix MicroGDS is a comprehensive GIS software launched by Informatix. It has a certain influence in the field of geographic information processing and can help users perform diversified operations and analyses on geospatial data.

The 2000 coordinate system, namely the China Geodetic Coordinate System 2000 (CGCS2000 for short), is a new generation of geocentric coordinate system released by the National Administration of Surveying, Mapping and Geoinformation of China in 2008, replacing the Xi’an 1980 coordinate system. CGCS2000 adopts the standard of the International Terrestrial Reference Frame (ITRF) and is highly compatible with the WGS84 coordinate system (the earth coordinate reference system used worldwide). Its geodetic datum is based on the GRS80 ellipsoid (the 1980 International Reference Ellipsoid), with accurate geocentric positioning, and is suitable for various precise measurements and geographic information processing.

Gauss–Krüger projection is a map projection based on the Transverse Mercator projection, developed by the German geographers Carl Friedrich Gauss and Johann Heinrich Krüger. It is widely used for large-scale topographic maps and precision surveying, and is adopted as part of the national coordinate system by many countries, notably Germany, Russia, and China.

CIS/2 stands for CIMSteel Integration Standards (Computer Integrated Manufacturing Building Steel Structure Standards), which is a file format used for information exchange and storage in the field of building steel structures. It aims to create a seamless and integrated information flow for building steel structure project information, covering everything from nuts and bolts to materials, loads, frames and components. This format can represent the structure as an analysis, design or manufacturing (detailed) model, and is widely used in the design, analysis, procurement, manufacturing planning, automated manufacturing and installation of steel structures in the construction industry.

Autodesk Inventor is a 3D mechanical CAD (Computer-Aided Design) software developed and provided by Autodesk, and is mainly used in the fields of manufacturing and machine design. It is equipped with a wide range of functions such as assembly design, drawing creation, simulation, piping and cable design, sheet metal modeling, and welding design, centered on parametric modeling, and can digitize and streamline a series of processes from the design of complex machine parts to prototyping and manufacturing. Along with SolidWorks, it is one of the professional 3D CAD software widely used around the world.

TFW file (TIFF World File) is a text file used in GIS to store geographic reference information of TIFF format raster images. It defines the mapping relationship between pixel coordinates and geographic coordinates through affine transformation parameters. is a text file used in GIS to store geographic reference information of TIFF format raster images. It defines the mapping relationship between pixel coordinates and geographic coordinates through affine transformation parameters.

MAP (Map) is a visualization tool based on geographic location information, which displays geographic location and geographic data in a graphical way. In GIS, MAP usually refers to a map file, which contains the basic data, style and metadata of the map. Map files can be created by GIS software or provided by third-party data providers. In GIS, map files can be used to better manage and organize map data and make it easier to share and integrate with other GIS software.

GPX is an XML-based file format specifically designed for exchanging GPS data. It is widely used to describe location information, such as routes, tracks, and points of interest (POIs), making it easy to share and transfer data between different GPS devices and software. As an open standard, the GPX format is supported by many applications and devices, such as sports trackers, map software, and navigation systems.

QLR (QGIS Layer Definition File) is a layer definition file used by QGIS (an open source GIS software). QLR files do not store the data source itself, but rather the configuration information of the layer, such as style, symbols, labels, etc.

The Albers Equal-Area Conic Projection is an area-preserving conic projection widely used in geographic information systems (GIS) and cartography.