Following conclusions were obtained from comparison of various methods used in spruce population spatial distribution pattern on sandy sites.
采用何种方法进行种群分布格局的分析研究一直是一个争论性问题。
Gross caloric value, standing energy and released amounts were investigated during fine roots decomposition of bamboos in coastal sandy sites.
对沿海沙地竹林细根在分解过程中的干质量热值和能量现存量以及释放量进行了研究。
A majority of landfill sites are at the low-lying zones composed of sandy soils, and it is important that the sandy soils are used as landfill site liners.
大部分垃圾填埋场选有低洼、底部由砂组成的地带，开发利用砂土作为填埋场防渗衬垫具有十分重要的意义。
A majority of landfill sites are at the low-lying zones composed of sandy soils, and it is important that the sandy soils are used as landfill site liners.
大部分垃圾填埋场选有低洼、底部由砂组成的地带，开发利用砂土作为填埋场防渗衬垫具有十分重要的意义。
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