Instead,he called on the space agency to reach deeper into the solar system.

VOA: special.2010.04.28

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

NASA hopes that Dawn's year long orbit around Vesta will help scientists learn more about the development of the solar system, and how asteroids and other space objects were created.

VOA: special.2011.07.27

The laser tracking system would work by giving space craft and satellites, which are able to be maneuvered, time to move out of the way of an incoming chunk of debris.

VOA: standard.2010.07.24