• 基础释义
  • 例句
  • 英英词典释义
  • 行业词典释义

heliograph

[ˈhi:liəgrɑ:f] [ˈhiliəgræf]
  • 复数:heliographs;
  • 第三人称单数:heliographs;
  • 过去式:heliographed;
  • 过去分词:heliographed;
  • 现在分词:heliographing;
  • 例句
    英英词典释义
    • Noun
      1. an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
    • Verb
      1. signal by means of a mirror and the using the sun's rays
    行业词典
    • 计算机: 日光反射信号器;