Anewkeyboardcantellwhetheryouareitsowner.Thekeyboard...
问题详情： Anewkeyboardcantellwhetheryouareitsowner.Thekeyboardrecordsinformationaboutthetypingpattern（模式）andsendsittoacomputerprogram.Theprogramthencheckstoseeifthepatternmatchestherightuser.Ifnot...