1) elliptic aperture
椭圆口径
1.
Applying the aperture coordinate transform,this paper compares the difference between circular and elliptic aperture antenna pattern functions,derives the formula of mapping circular aperture antenna pattern properties to elliptic aperture antennas and applies the optimum circular aperture antenna pattern synthesis,Taylor synthesis to elliptic aperture antenna design.
利用口径坐标变换,比较了圆口径和椭圆口径天线方向函数的差异,得出了将圆口径分布方向图特性映射到椭圆口径的条件,并将圆口径天线最佳综合方法圆Taylor综合应用于椭圆口径天线的设计。
2) elliptical path
椭圆路径
3) elliptical compass
椭圆罗径
4) elliptical aperture
椭圆孔径
5) oval opening
椭圆开口
1.
Analysis of cable-truss roof structures with oval opening;
椭圆开口索桁架屋盖结构的分析
6) crossing ellipsization
管口椭圆
补充资料：次大口径成品油管道(见大口径原油管道)
次大口径成品油管道(见大口径原油管道)
small big inch products pipeline
次大口径成品油管道比m“，。彬duet、pipeline)见大。径原油管道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条