A scientific forecast method, the Delphi Method was created by Research and Development Corporation (RAND) in 1964 and has been widely used.是什么意思_A scientific forecast method, the Delphi Method was created by Research and Development Corporation (RAND) in 1964 and has been widely used.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句