surface soil造句

1、The total surface soil heat flux was -0.
表层土壤年总热通量为-0。

2、Leaf area index and surface soil moisture are two basic factors of controlling evaporation.
叶面积指数和表层土壤含水量是控制蒸发的两个基本因素。

3、The sample is from the surface soil that scientists say covers a layer of ice.
科学家称上面覆盖一层冰的土壤样品是来自火星表层。