The spatial variability in permeability plays an important role in the coupled hydro-mechanical processes of the fractured rock mass and induces a discontinuous distribution of principal stresses.
渗透系数的空间变异性使得隧道开挖后围岩应力有明显的非连续性，对裂隙介质的耦合过程起着重要作用。
The principal part of consumption demand is mass consumption. We can promote prosperity of whole consumer market, porvided improving the level of mass consumption.
消费需求的最主要部分是大众消费，只有提高大众消费水平，才能促进整个消费市场的繁荣。
Calculation methods to determine the mass of polygonal and non-regular form steel plate are introduced and a principal block diagram for oil tank bottom plate mass calculation is listed in this paper.
介绍了多边形钢板与不规则多边形钢板质量的计算方法，列出了用计算机计算油罐底板质量的原理框图。
Based on the present state of weathering agency research at home and abroad, principal problems are pointed out in quantitative assessment of rock mass weathering.
在分析国内外岩体风化问题研究现状的基础上，指出了目前岩体风化量化评价存在的主要问题。
The thermal and physical response of heated rock mass was the principal index to the safety evaluation of the nuclear waste repository.
岩体在加热状态的物理力学响应是核废料贮存库安全运行评价的主要指标。
It is pointed out that the relation has something to do with the principal quantum number and the angular quantum number, but nothing to do with the nuclear electronic number and reduced mass.
发现此关系式与主量子数和角量子数有关，而与核电荷数以及折合质量无关。
Based on the cold experimentation on rotating-film tube that principal deaerating component of this deaerator, heat and mass transfer characteristics was analyzed.
对其主要除氧元件起膜管进行了冷态试验研究，根据试验情况分析了其传热传质特点。
Based on the cold experimentation on rotating-film tube that principal deaerating component of this deaerator, heat and mass transfer characteristics was analyzed.
对其主要除氧元件起膜管进行了冷态试验研究，根据试验情况分析了其传热传质特点。
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