It means that the properties of the system, the properties that describe the system, don't change in time or in space.

它的意思是指，用以描述系统的性质，不随时间或空间改变。

麻省理工公开课 - 热力学与动力学课程节选

Well, like the rest of the ancient world, Israel had a cultic system, and that cultic system featured a sanctuary: a sacred space with holy objects; sacred objects, where priests performed a variety of ritual acts.

和其他古代世界一样，以色列有一个宗教系统，圣所是这个系统的一个特色：,它是一个布满了神圣物体的地方，祭司会在这里举行一系列的仪式。

耶鲁公开课 - 旧约导论课程节选