A character or combination of bits which is not accepted as a valid representation by the machine design or by a specific routine. Illegal characters are commonly detected and used as an indication of machine malfunction.是什么意思_A character or combination of bits which is not accepted as a valid representation by the machine design or by a specific routine. Illegal characters are commonly detected and used as an indication of machine malfunction.在线翻译_英语_读音_用法_例句