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 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.
设计一种新型半管均速管，并根据伯努利方程、连续性方程建立均速管仪表系数的数学模型。
A new half-tube averaging pitot tube is designed, and based on the Bernolli equation and continuity equation, a mathematics model is established.
其特点是利用横向构造连续性的限制条件同时对多道等价强反射系数进行估计。
The equivalent strong reflection coefficients can be estimated under the condition about the continuity of stratified structure in the set of adjacent traces.
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