利用解析的方法，给出了腹板产生屈曲的临界应力和应变。
The critical stress and strain for web buckling were figured out by analytic method.
本文着重介绍内凹的圆柱和圆锥组合面上落影的求法，并尝试利用解析的方法，求出落影上的特殊点。
The solution of the projection on inward concave composition surface of cylinder and cone is discussed. and the critical point on the projection is calculated with analytical method.
但是从语义上说，对象的特殊之处还在于利用继承树来进行方法解析。
But semantically, the object is also special in utilizing an inheritance tree for method resolution.
应用推荐