空间大型环形可展天线具有展开口径大、质量轻、柔性大等特点，是一个典型的多柔体结构。
The large Hoop Truss Deployable Antenna (HTDA) in the space, with large aperture, light mass, big flexible character and so on, is type flexible multi-contact system.
构成双圆柱脊形波导的开口截面结构的一部分的天线元在平面上展开。
An antenna element constituting a part of an opening cross section structure of a double cylinder ridge waveguide is spread on a plane.
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