1·In this paper, the parametric equation and radiation field formulas for a parabolic torus reflector antenna are given.
本文给出了抛物环面天线的参数方程和辐射场公式。
2·At present, the torus worm reducer for the design, manufacture and application of domestic and foreign advanced level there are still large gaps between the comparison.
目前，在环面蜗轮蜗杆减速器的设计、制造以及应用上，国内与国外先进水平相比仍有较大差距。
3·The design represents the torus worm general design process.
该设计代表了环面蜗轮蜗杆设计的一般过程。
1·And, of course, it bounds this disc, but inside of a torus.
显然，它界定了这个圆盘，但是这个圆盘在面包圈的内部。