The way of analytical method is a way by which we can solve to simple room shape and border condition, basing on the theory of wave acoustics.
解析法是基于波动声学理论，对简单房间体形、简单边界条件来求解的方法。
In the article, a simple method is discussed to confirm the principal stress direction un-den the plane stress condition.
文章给出了一种判断平面应力状态主应力方向的简便方法。
This article shows up a simple method of symmetry breaking mechanism which embark from the extra dimensional model and through boundary condition definition.
本文给出了一种从额外维度模型出发，通过边界条件的定义建立对称破缺机制的简单方法。
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