Abstract: This paper discus sed the basic technique of setting security key and produced group security key to anti-copy and dynamic reading security key to anti digital simulation.是什么意思_Abstract: This paper discus sed the basic technique of setting security key and produced group security key to anti-copy and dynamic reading security key to anti digital simulation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句