Research on GFAC and FLASK, presents an access control model frame suitable for ERTOS, this frame has open architecture and is easy to extend.是什么意思_Research on GFAC and FLASK, presents an access control model frame suitable for ERTOS, this frame has open architecture and is easy to extend.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句