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。

youdao

Based on the theory of differential geometry and geodesy, the second order differential equation and the first differential relationship are derived on the regional earth ellipsoid in this paper.

通过在积分换元、微分方程求解、多（一）元复合函数求全微分、偏导数及高阶偏导数中的应用举例，论述了一阶微分的形式不变性在微积分学中的作用不应被忽略。

youdao

The practice shows that the system can provide decisive reference for customer relationship management and realize individual and differential service for power customers.

实践证明，该系统可为供电企业的客户关系管理提供定量的决策依据，实现电力客户的个性化、差异化服务。

youdao

So that what's new in Saussure's thinking about the relationship between signified and signifier is that the sign tied up in this relationship is both arbitrary and differential.

这就是索绪尔所贡献的了,能指和所指的关系,也就是符号的组成方式,是任意的，有差别的。

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