Core Viewpoint - The successful launch of the Resource 3-04 satellite marks a significant advancement in China's capability for high-resolution optical stereoscopic mapping, enhancing the operational efficiency of the national satellite constellation for civil surveying and resource management [1][4]. Group 1: Satellite Development and Capabilities - Resource 3-04 is the fourth satellite in the Resource 3 series, designed to improve high-resolution stereoscopic mapping capabilities, inheriting and optimizing technologies from its predecessors [4]. - The Resource 3 series, including satellites 01, 02, and 03, has established China as one of the few countries with complete satellite mapping technology, transitioning from reliance on foreign satellites to domestic capabilities [1][3]. - The satellites collectively provide high-precision data for various applications, including natural resource management, emergency monitoring, and urban planning, significantly enhancing the country's spatial information capabilities [3][5]. Group 2: Operational Efficiency and Data Acquisition - The Resource 3-04 satellite, when networked with Resource 3-02 and 03, reduces the revisit cycle from 3 days to 1 day, improving emergency monitoring capabilities [5]. - As of December 2025, the Resource 3 series has acquired 4.03 million effective images, covering an area of 137 million square kilometers, which is approximately 91% of the global land area [3]. - The satellites support the production of high-resolution stereoscopic images and multi-spectral images, facilitating the creation of digital elevation models and enhancing the accuracy of geographic information products [2][3].