粗粒土的组构主要指土颗粒的几何排列方式，是决定粗粒土宏观力学性质的根本因素。
The fabric of coarse-grained soils primarily refers to the arrangement of soil particles, and it is the kernel factor for mechanical properties of coarse-grained soils.
本文中应用了偏光显微镜、扫描电子显微镜和X射线衍射仪分别对试样的组构特征及扁平颗粒的定向排列特征作了观察和测定。
Polarization microscope, scan electronmicroscope and X ray diffractometer are applied separately to view and determine the fabric characteristics and orientated range of flat particles in samples.
对系统组构的分形特征影响系统颗粒物质崩塌流动行为的机制进行了初步探索，为颗粒流系统的研究提供了新思路。
The discussion of impact mechanism of fractal characteristic on collapse flow behavior of granular material may offer a new idea for the study of granular flow system.
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