AA200, celestial navigation celestial position calculation program, according to Jet Propulsion Laboratory DE405 ephemeris astronomical prepared, in the international arena in the most advanced level.是什么意思_AA200, celestial navigation celestial position calculation program, according to Jet Propulsion Laboratory DE405 ephemeris astronomical prepared, in the international arena in the most advanced level.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句