Ray equation is derived from Fermat's principle in variation form.
本文由费马原理的变分形式，导出光线微分方程。
Stress analysis in variation states at crack tip and notch crown tip is presented.
分析了椭圆孔口端点和裂纹端点处的变动态应力。
The observed process of sediment delivery is similar to that of runoff in variation.
实测输沙量变化过程与实测径流量变化过程相似。
Cytomixis is an important plant cytological phenomenon and it is of great significance in variation and evolution of plants.
细胞融合是一种重要的细胞生物学现象，在植物的变异和物种进化方面具有重要的意义。
The influence of Nd:YAG laser on hybrid weld appearance is light in variation of laser-arc distance and defocusing distance.
而在光丝间距和离焦量变化过程中，激光束对复合热源平板堆焊焊缝表面成形的影响很小。
The assembly function constructed in variation analysis plays an important role during evaluation of dimensional quality of an assembly.
误差分析中装配函数的构造在装配体尺寸质量评价中扮演重要的角色。
A new method to solve over-determined geodetic boundary value problem is proposed with the help of minimizing some kinds of functional in variation calculus.
本文借助于变分法中求泛函极小化的方法提出求解超定大地边值问题的新方法。
Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.
然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。
Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.
然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。
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