介绍未封闭矩形截面冲裁模的原理、结构和设计。
This paper introduces the Principle, Structure and design of undosed rectangular section punch die.
本文应用直线法理论严格推导了在极坐标系统中分析任意截面形状同轴线高次模的公式。
A set of formulas for analyzing high order modes of coaxial lines with arbitrary section in polar coordinate by the method of lines are rigorously derived in this paper.
研究了偏心激励多模聚合物光纤横截面的光功率分布。
Numerical and experimental studies of cross sectional optical power distribution (OPD) in polymer optical fiber under offset launch are given.
应用推荐