The genetic similarity(GS)of the cluster analysis varied from 0.14 to 0.83. Principal coordinate analysis also divided all the varieties into four groups.
各品种的相似系数分布在0.14～0.83之间。利用主坐标分析也将供试品种分为4大类群。
By coordinate transformation of stress we have the differential relationship between the principal stresses and stress components to facilitate deviation calculation.
利用应力的坐标变换关系，推导出主应力与应力分量之间的微分关系，使主应力的精度计算更加简便。
By coordinate transformation of stress we have the differential relationship between the principal stresses and stress components to facilitate deviation calculation.
利用应力的坐标变换关系，推导出主应力与应力分量之间的微分关系，使主应力的精度计算更加简便。
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