该文件（第一级标准）是关于空间飞行中人类生命活动支持系统和设备集成的其他文件中的主要文件。 该文件与第二级和第三级标准一起构成了一个复杂的三级国际标准，题为:空间系统——空间飞行中的人类生命活动支持系统和设备集成。 它适用于所有载人空间物体的所有载人空间飞行方案，包括空间系统、空间站、月球和行星基地以及舱外活动。它涵盖了载人航天物体开发的所有阶段，如设计、生产、测试、操作和维护。

This document (first level standard) is the main document among the others regarding human-life activity support systems and equipment integration in space flight. This document, along with second and third level standards, forms a complex three-level international standard entitled: Space systems — Human-life activity support systems and equipment integration in space flight. It is applicable to all human space flight programmes in all manned space objects, including space systems, space stations, lunar and planetary bases, as well as extravehicular activity. It covers all phases of development of a manned space object, such as design, production, tests, operation, and maintenance.