Until new transformational satellite systems become operational, the U.S.DoD still relies heavily on the UHF Satcom System for tactical military communications.是什么意思_Until new transformational satellite systems become operational, the U.S.DoD still relies heavily on the UHF Satcom System for tactical military communications.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句