本文详细介绍了场变量模型的基本原理及其在材料科学与工程各领域应用的最新进展。
This paper reviews the fundamental principle of the field variables model and recent progress in the field of materials science and engineering.
参数识别反问题是偏微分方程反问题的一类，也是在自然科学与工程技术的各领域比较常见的问题。
Parameter identification problems belong to the partial differential equations inverse problems. They are also common in the field of natural science and engineering.
在科学技术等各领域中必须正确使用量和单位。
We must use quantity and unit exactly among the field of science and technology.
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