By using hydrodynamics theory and method, we can analyze the mechanics principle of two-tank system and establish the system mathematics model.
本文从机理建模入手，应用流体力学理论对双容水箱液位系统进行力学分析，建立非线性数学模型。
By using hydrodynamics theory, the mechanics principle of two-tank system was analyzed and the system nonlinear mathematics model was established.
应用流体力学理论对双容水箱液位系统进行力学分析，采用机理建模方法，建立非线性数学模型。
This two-tank system produces more methane than conventional methods because different strains of bacteria, which chew up different components of faeces, work better at different temperatures.
较之传统的发酵工序，这种“双槽系统”能够产生更多的沼气，因为分解排泄物的细菌种类有所不同，于是适合它们分解废物的温度需求也有所不同。
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