The relieved coefficients during the measurement of the residual stresses in the fiber reinforced composites by the hole drilling method were given with conversion of the two coordinate systems.
针对纤维增强复合材料的属性特点，应用坐标系转换原理推导出通孔法测量复合材料残余应力时的应力释放系数公式。
By using discussing the relationship of two-kinds of algebra, the conversion matrix of expansion coefficients are derived.
最后讨论两种代数之间的关系，并求出函数展开式系数之间的转换矩阵。
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