...4.1)利用上述的这种功能概念解决固体力学问题的方法统称为能量法,相应的基本原理统称为功能原理(Principle for work and energy)。弹性体的功能原理的应用非常广泛,它是目前在工程中得到广泛应用的有限单元法的重要理论基础。
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With the principle of work and power, as well as Poynting vector, the reasons for the energy variation in the process of connecting capacitances in parallel are analyzed and discussed.
本文用功能关系和坡印亭矢量分析和讨论了电容器并联过程中能量的变化原因。
This paper introduces the energy saving principle and application situation of the series of SJ composite fuel oil, and provides an effective way for the saving work on heavy oil.
本文较系统地介绍了SJ系列复合燃料油的节能原理及应用情况，对重油的节能工作提供了一种行之有效的途径。
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