It is this thin layer of active soil that supports all living things on the tundra.

正是这被太阳晒暖的苏醒过来的薄薄的一层土壤养活着冻土带上的一切生物。

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The contribution of different types of active soil organic carbon to soil available nutrients was different.

土壤活性有机碳的不同类型对土壤养分的有效性贡献不同。

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Based on the magnitude of active soil pressure, parameters like bend are calculated applying evenly distributed load method.

本文根据主动土压力大小，应用均布荷载梁计算方法，计算其挠度等参数。

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Conventional farming methods using conventional fertilisers are adding active nitrogen to the soil, which tends to move to other places - lakes, rivers, seas, the air.

BBC: Food: Organic growth?

Turkish officials say that as a result of counterterrorism operations on Turkish soil, DHKP-C became increasingly active among the Turkish diaspora in Europe.

CNN: Turkish attack a reminder of Cold War dynamics