在具有轴对称特性电磁场的数值分析中,用矩形截面环单元分析具有比其他单元更多的优点。
In the numerical analysis of axially symmetry electromagnetic field, the finite element method using ring unit with rectangular cross-section has more advantages than other methods.
1986年1月28号,挑战者号航空航天飞机因为一个圆形截面环的错误导致在起飞73秒之后爆炸。
The Space Shuttle Challenger was destroyed 73 seconds after takeoff due on January 28, 1986 due to a faulty O-ring.
台阶截面环件轧制作为火车轮、自行车圈、轴承环、管道法兰盘、管道联接件等部件的主要生产方式,应用极广。
As train wheels, bike rims, bearing ring, piping flange tray and piping link piece etc, ring with outer stepped is applied widely.
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