词汇	packing filler
释义	packing filler 填料
随便看	user access control mechanism user_accesses user access gateway user-accessible graphics subroutine user-accessible register user-accessible subroutine User access matrix user access pattern user access patterns user account user-account User Account and Domain Information user account control user account database user accounting user accounting table user account number user accounts subsystem database user acknowledge user action user action analyzer user action frame user action routine user actions User actions per eight-hour day