The data flow engine provides the in-memory buffers that move data from source to destination, and calls the sources that extract data from files and relational databases.是什么意思_The data flow engine provides the in-memory buffers that move data from source to destination, and calls the sources that extract data from files and relational databases.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句