environment background value的意思|示意

Its radon pollution is low, near to the environment background value.

氡污染水平较低，接近环境本底水平值。

There are different education value orientations exist in different culture background and social environment.

在不同的文化背景与社会环境中，存在着不同的教育价值取向。

Environment administrative authority and public's environmental rights are two kinds of distinct rights with the same background of occurrence and value orientations.

环境行政权与公民环境权是两种不同属性的权利，它们产生的背景以及价值取向是一致的。

The background value of water environment is the major subject of geochemical research of water environment.

水环境背景值是水环境地球化学研究的重要内容。