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。
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