empty relation的意思|示意

The background sound of an environment in relation to which all foreground sounds are heard, such as the 'silence' of an empty room, conversation in a restaurant, or the stillness of a forest.

环境的背景声音指的是所有可听到的突出声音，比如空房间里的“静默之声”，餐馆里的谈话，或者森林里的沉寂。

This relation between empty and full in the facade allows for an excellent thermal performance, with a high degree of electric energy conservation.

外观空缺和密实之间的关系提供了卓越的热工性能，并可高度节约电能。

Objective: To investigate the social support of the empty-nest elderly people lived in urban area and its relation with their mental health.

结论：不同家庭结构的城市空巢老人的社会支持存在差异，社会支持影响城市空巢老人的心理健康状况。