After that a full pilot system could be deployed in geostationary orbit at a cost of $10 billion and commercial operation could begin by 2025.是什么意思_After that a full pilot system could be deployed in geostationary orbit at a cost of $10 billion and commercial operation could begin by 2025.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句