銥系統 的英文怎麼說
中文拼音 [yīxìtǒng]
銥系統
英文
iridium system-
It deployed two iridium satellites for global satellite phone communication in 1997. long march 2f launch vehicle
該火箭於一九九七年發射兩枚用作全球衛星電話通訊的銥星系統衛星。Industrial radiography. determination of the speed and average gradient of film - based image receiving systems for use in the energy range from 300 kev to 1, 5 mev with iridium 192
工業放射學.能級從300kev至1 . 5mev的銥192用底片圖象接收系統感光度和反差平均值的測定
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