非饱和带裂隙中的饱和区和排干区可以用一个离散的气-水界面分隔开。
A discrete air-water interface is used to separate the saturated zones from the drained zones within each single fracture of fracture network.
结果表明：在压痕周围形成离散的剪切带，形变引起了块状非晶合金局部自由体积增加。
The results indicate that the discrete shear bands are formed around the indent and the local free volume is increased in the bulk metallic glass by deformation.
本文讨论带时滞观测线性离散系统的滤波问题，提出利用联合分布函数，得到滤波递推格式。
In this paper, the recursive filtering problem for linear discrete systems with delay observations is concerned. By using joint distribution function, we obtain the recursive form of the filter.
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