GB/T 20625-2024 "Terminology for special environmental conditions" clarifies the terms and definitions related to special environmental conditions. The standard applies to the preparation and understanding of various types of standards and technical documents dealing with special environmental conditions. Concepts such as environmental conditions, environmental factors and environment parameters are defined in detail in the standard, which aims to ensure a clear understanding and description of the Stability and adaptability of products under different physical, chemical and biological conditions. These terms and definitions provide a basis for evaluating the performance and durability of products in the environment of intended use and are of important guiding significance for various industries when formulating relevant technical requirements and testing methods.