The equation is different from other conclusions inferring and quoting curved beam differential physical equation(with same fundamental assumptions) in the correlative literatures.
该方程与相关文献中推导和引用的曲梁微分物理方程（基本假定相同）结论不同。
The mathematical physical model is established depending on the conventional laser heat treatment technology, the partial differential equation of heat current propagation is derived.
本文以常规的激光热处理工艺为基础，建立相应的数学物理模型，导出热流传导的偏微分方程。
In physics, the physical parameter evolution along with the time is often controlled by the non-linear partial differential equation.
在物理学中，物理参量随时间的演化往往是由非线性的偏微分方程支配的。
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