The contract is for technology development and demonstration and will not be an operational system, said Navy Capt.Rich Brasel, program manager for the project.是什么意思_The contract is for technology development and demonstration and will not be an operational system, said Navy Capt.Rich Brasel, program manager for the project.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句