closed-feed system

英 美
  • 闭式给水系统,闭式馈给系统
  • closed adj.关闭的;封闭的;停业的动词close的过去式和过去分词.
  • feed vt.喂养;饲养;靠...为生;向...提供vi.吃饲料;进餐n.一餐;饲料;饲养
  • system n.系统;体系;身体;制度
    1. Paraboloidal reflector antennas with an arbitrarily-defocused feed are investigated.And some interesting phenomena are observed.
      摘要吾人探讨任意离焦式馈人器之抛物反射天线并观察了一些有趣的现象。