First attempts to apply elliptic equation of curved surfaces to generating C-type cascade grids.
首先尝试采用任意曲面椭圆方程，数值生成任意回转面上的叶栅c网格。
2
The utility model provides a bonded loose-leaf file folder formed by a folding type hard plate, a fixing plate, an elliptic live splint, a connecting plate and a glue sheet part.
本实用新型提供了一种由折叠式硬质板、固定板、椭圆活动夹、 连接板、胶片部分构成的粘贴式活页资料夹。
3
In this paper, we consider singularity perturbed problem for a kind of quasilinear elliptic-parabolic type equation with nonlinear boundary value conditions.