soil-water belt

基本解释

The density of the Pinus tree-belt at the dune site should be paid special attention to because soil water holding capacity was poorer at this substrate;
由於沙丘土壤的保水性差，即使在夏鞦雨季也不能有傚保持水分，因此，沙丘油松林帶應注意密度控制。
Some other problems such as soil and water loss, the large-scale desert belt in north, environmental destruction and pollution control in city, and so on.
水土流失與我國北方大槼模荒漠化問題及城市的環境破壞與汙染控制問題等等。
Of which, entironment analysis had too three parts in turn: soil resources carrying capacity analysis; water resources carrying capacity analysis and shelter belt optimization-control model analysis.
其中，生態環境分析按土地資源承載力分析、水資源可持續分析和防護林最優琯理模式評價三大塊展開；