Carter Emmart: The flat horizon that we've evolved with has been a metaphor for the infinite, unbounded resources and unlimited capacity for disposal of waste.
我们推演出来的平坦的地平线为了显出其广大而运用了一个隐喻，采取无穷无尽的方式来对材料进行处理。
The sewage soil disposal experiment is made mainly by using biochemical process of looser permeable soil horizon, and secondly by leaching and adsorption.
污水土壤处理试验，主要是利用透水性较强的土壤层的生物化学作用，其次是淋滤吸附。
应用推荐