The net production, natural returning and retaining amount of elements in aboveground portion were a markedly higher than that of underground in t.

红三叶群落地上部的净生产量、自然归还量和元素的存留量均显著高于地下部。

youdao

Also the effect of the utilization upon ecologic environment of underground space, especially the positive influence upon people's psychology, is analysed, and the way of utilizing t...

指出了它们对地下空间的生态环境所引起的积极作用，特别是对人的心理产生的良好影响，并探讨了这几种自然因素在地下空间中的运用手法。

youdao

Also the effect of the utilization upon ecologic environment of underground space, especially the positive influence upon people's psychology, is analysed, and the way of utilizing t...

指出了它们对地下空间的生态环境所引起的积极作用，特别是对人的心理产生的良好影响，并探讨了这几种自然因素在地下空间中的运用手法。

youdao