晶体微观对称要素 二维空间群 空间群

平行连生 parallel grouping 双晶 twin 衍生

1.岩层的基本产状类型 表2-1岩层基本产状类型及其基本特征简表

Where is stress,ε strain and the Young's modulus or elastic modulus

Strain Displacement Strain Strain field Strain determination in rocks

Review: 1.What is the orientation relationship between maximum shear stresses and principal stresses? 2. What are trajectories of principal stresses?

(A)General triaxial stress ellipsoid in perspective view. (B)Views normal to each of the principal planes of the ellipsoid. (After W.D. Means,1976)

1绪论 2空间数据结构 3地理信息系统的地理数学基础 4地理信息系统数据输入 5地理信息系统的数据处理

Planar fabric Linear fabric and the size and elements In one dimension is Are parallel to much Longer than that in one another the other two dimensions

1矿物样品的采集和分选 一、样品的采集 野外采集样品应注意其目的性、典型性、代表性及系统性