短语词组短語radio heliograph [天]射電日象儀;電波日象儀heliograph h 日照計heliograph paper 照相版紙;日光照相紙monochromatic heliograph 單色日光儀heliograph signaling 太陽反光鏡triangulated heliograph survey 三角高程測量 返回 heliograph