本试验主要研究了作物秸杆表面覆盖、垂直覆盖（混施）和隔层对土壤水盐运动的影响。
The experiment studied the effects of residue used as surface mulch, mix with soil and a separate horizon in soil profile on soil water and salt movement.
除了原有的模式，我们还确定了若干层服务的相关支持功能，并将它们添加到模型中，垂直覆盖几个水平层。
In addition to the original model, we've identified supporting functions relevant to services in several layers and added them to the model as vertical spans over several horizontal layers.
第六层是集成体系结构(也作为企业集成总线(Enterprise Integration Bus))，它垂直覆盖了前五层。
The sixth layer is the Integration Architecture (also known as the Enterprise Integration Bus) that vertically covers all of the first five layers.
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