circular cable

The yarn traces of 3D and 5-D tubular braiding are analyzed systematically base d on 3D tubular braiding process, then the interior cells and surface cells are established.

基于三维圆型编织的主要工艺,系统研究了三维五向圆型编织的纱线交织结构,建立了内部单胞和表面单胞模型。

Optimize of round parts measuring method;

圆型零件测量方法的优化

The limit circle criteria for second order nonhomogeneous difference equations;

二阶非齐次线性差分方程为极限圆型的判定

The authors consider the limit circle of the following second order delay differential equations(r(t)x (t) ) + a(t)x(t) f(t,x))),.

本文研究下列二阶时滞微分方程（ｒ（ｔ）ｘ’（ｔ））’＋ａ（ｔ）ｘ（ｔ）十ｆ＊（ｔ，ｘ（ｈ１（ｔ）），ｘ（ｈ２（ｔ），…，ｘ（ｈｎ（ｔ（）＝０（Ａ）的极限圆型。