短語詞組短語observing tube 觀察管observing ine 視準(zhǔn)線Observing directly 直接計數(shù)observing station [天]觀測站;[天]觀測臺;觀測站observing ability 觀察能力;觀察力Observing room 留觀室observing frequency 觀測頻率observing pattern 觀察型樣;翻譯observe on 評論 返回 observing