最新驱动泛泰A770Kcopiesofthislicensedocument,butchangingitisnotallowed.PreambleThelicensesformostsoftwarearedesignedtotakeawayyourfreedomtoshareandchangeit.Bycontrast,theGNUGeneralPublicLicenseisintendedtoguaranteeyourfreedomtoshareandchangefreesoftware--tomakesurethesoftware