在能量流动过程中，直接来源于碎屑的比例占总流量的48%，而直接来源于初级生产者的比例为52%。
In course of the energy flow, the proportion of total flow originating from detritus is 48%, and from primary producer is 52%.
由此构建了良好的人工生态系统，并使系统内部及其与外界的物质与能量流动过程得到调节与优化，使整体环境得到整治。
The benign ecosystem has been constructed with the adjustment and optimization of internal and external material and energy flows so that the environment has been remediated to a certain extent.
全面系统地描述矿井通风系统中能量的流动过程、投入、利用、损失等环节的相互关系。
The flowing course of energy contained in ventilation system of underground mine, the relationship between energy investing, energy utilizing and energy losing are analysed in details.
根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。
It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law.
根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。
It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law.
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