Based on the visual work principle of structure analysis, a general formula for the displacement calculation is deduced for the static analysis of the beam on elastic foundation.
根据结构分析中的虚功原理推导弹性地基梁位移计算的一般公式，介绍了连续弹性地基梁的静力分析方法。
This paper analysis the perspective transformation of arbitrary visual points. The methods of transformation and calculation are given, and several conclusions are reached.
本文对任意视点的透视变换进行了分析研究，提出了变换和计算的方法，并得出了若干结论。
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