We will use this theory to classify joint invariants and joint differential invariants of some transformation groups.
我们将利用该理论对一些特殊变换群的联合不变量、联合微分不变量进行分类。
The productivity formulas of branch horizontal wells which have or not have common joint are derived by applying conformal transformation and isopleth map of percolation resistance force.
运用保角变换和等值渗流阻力推得分支水平井（有公共点或没有公共点）产能公式。
The big area laser transformation hardening must adopt the methods of facular joint in giving priority to attrition, and the tempering zone can't be avoided in the joint.
以提高耐磨性为主的大面积激光相变硬化必须采用光斑搭接方法，在搭接处的回火带是不可避免的。
The stiffness matrix of polyhedron of the flexible joint is formulated based on the local flexibility factor matrix and coordinate transformation.
结果表明，对空间管状结构总体分析，考虑接头的局部柔性是很有必要的。
The three layers are restricted mutually; their joint forces direction is the dimension, which moves forward the social comprehensive transformation.
三种秩序变动层面互相制约、互相影响，其合力指向即是推进社会全面走向转型的维度。
The three layers are restricted mutually; their joint forces direction is the dimension, which moves forward the social comprehensive transformation.
三种秩序变动层面互相制约、互相影响，其合力指向即是推进社会全面走向转型的维度。
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