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Backup    音標拼音: [b'æk,ʌp]
n. 備份
n. DOS命令:備份
n. 后援,支持,阻賽
vt. 做備份
a. 候補的,支持性的

備份DOS命令:備份後援,支援,阻賽做備份候補的,支援性的

backup
後備


backup
後備; 備用; 備份; 備製

back-up
備份 備用


backup
備份 備用

backup
n 1: an accumulation caused by clogging or a stoppage; "a
traffic backup on the main street"; "he discovered a backup
in the toilet"
2: someone who takes the place of another (as when things get
dangerous or difficult); "the star had a stand-in for
dangerous scenes"; "we need extra employees for summer fill-
ins" [synonym: {stand-in}, {substitute}, {relief}, {reliever},
{backup}, {backup man}, {fill-in}]
3: a musical part (vocal or instrumental) that supports or
provides background for other musical parts [synonym:
{accompaniment}, {musical accompaniment}, {backup},
{support}]
4: (computer science) a copy of a file or directory on a
separate storage device; "he made a backup in case the
original was accidentally damaged or erased" [synonym: {backup},
{computer backup}]
5: the act of providing approval and support; "his vigorous
backing of the conservatives got him in trouble with
progressives" [synonym: {backing}, {backup}, {championship},
{patronage}]

backup \back"up\, n.
1. anything kept in reserve to serve as a substitute in case
of failure or unavailability of the normal or primary
object; -- used for devices, plans, people, etc. Also used
attributively; as, there was no backup for the electrical
supply; a backup motor; a backup generator.
[PJC]

2. (Music) a musician or group of musicians accompanying a
soloist, whether vocalists or instrumentalists.

Syn: accompaniment. [PJC]

3. a person or group of persons serving as reinforcement for
another or others; as, the policeman called for backup
when he was fired on.
[PJC]

4. an accumulation, overflow, or reverse flow (in traffic or
a liquid flow system) caused by a stoppage or other
malfunction.
[PJC]

5. (Computers) A copy of a program or data from a computer
onto a data-storage medium, usually one that may be
removed to safe storage at a distance from the computer;
it is used to preserve data for use in the contingency
that the original data on the computer may be lost or
become unusable. A backup that is removed from the
building housing the computer system (to provide
protection against loss of data in a disastrous event such
as a fire) is called off-site backup. Also used
attributively; as, backup copy.
[PJC]

6. (Computers) The act or process of creating a backup[5];
as, they performed a full system backup every weekend.
[PJC] Backward

104 Moby Thesaurus words for "backup":
about-face, about-turn, advocate, agent, alter ego, alternate,
alternative, amicus curiae, analogy, attorney, back track,
back trail, backing, backing off, backing out, backing up,
backup man, champion, change, changeling, comparison, copy,
counterfeit, deputy, double, dummy, equal, equivalent, ersatz,
exchange, executive officer, exponent, fake, figurehead, fill-in,
ghost, ghostwriter, imitation, lieutenant, locum, locum tenens,
makeshift, metaphor, metonymy, mock, next best thing, paranymph,
personnel, phony, pinch, pinch hitter, pleader, procurator,
provisional, proxy, relief, replacement, representative, reserve,
reserves, reversal, reverse, reversing, reversion, right-about,
right-about-face, ringer, second in command, second string,
secondary, sign, spare, spares, stand-in, stopgap, sub,
substituent, substitute, substitution, succedaneum, superseder,
supplanter, surrogate, swingaround, symbol, synecdoche, temporary,
tentative, third string, token, turnabout, turnaround, understudy,
utility, utility man, utility player, vicar, vicar general,
vicarious, vice, vice-president, vice-regent, vicegerent,
volte-face

("back up" when used as a verb) A spare
copy of a file, file system, or other resource for use in the
event of failure or loss of the original.

The term commonly refers to a copy of the files on a
computer's {disks}, made periodically and kept on {magnetic
tape} or other removable medium (also called a "{dump}").

This essential precaution is neglected by most new computer
users until the first time they experience a {disk crash} or
accidentally delete the only copy of the file they have been
working on for the last six months. Ideally the backup copies
should be kept at a different site or in a fire safe since,
though your hardware may be insured against fire, the data on
it is almost certainly neither insured nor easily replaced.

See also {backup software}, {differential backup},
{incremental backup}, {full backup}. Compare {archive},
{source code management}.

(2004-03-16)

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英文字典中文字典相關資料:
  • Back up and restore with Windows Backup - Microsoft Support
    From your files, themes, and settings to many of your installed apps and Wi-Fi information, Windows Backup protects what matters and makes it easier than ever to move to a new PC This guide describes how to use Windows Backup and the different settings to back up and restore key items on your Windows PC Back up your PC
  • How to Back Up Your Files in Windows 11 | Microsoft Windows
    There are two main ways to back up your files One is to a physical drive, such as a USB flash drive or external hard drive The other is to the cloud, such as OneDrive, which is built into Windows 11 and available to any user Windows built-in cloud storage option is an invaluable protector of your experience and information
  • Windows 10 full backup process | Windows Central
    On Windows 10, you can create a full backup with everything on your computer, from settings and apps to files, using the System Image Backup tool, and in this guide, I'll show you how to
  • The Best Backup Software and Services for 2025
    These top-rated backup services make it easy to create online and local copies of important files so you can retrieve them if disaster strikes
  • How to Back Up Your Computer | Reviews by Wirecutter
    Experts recommend the 3-2-1 rule for backup: three copies of your data, two local (on different devices) and one off-site For most people, this means the original data on your computer, a
  • How to use Backup and Restore in Windows 11 and Windows 10
    Windows’ Backup and Restore is a feature that allows you to create backups of your personal files, such as documents, photos, music, and videos Moreover, you can also use it to back up a system image of your computer, which includes the operating system, programs, drivers, and settings
  • BACKUP Definition Meaning - Merriam-Webster
    The meaning of BACKUP is one that serves as a substitute or support How to use backup in a sentence
  • How to Back up Your Computer
    Backing up your computer is an important step every computer user should take if they do not want to lose any of their valuable information This page covers how to back up your computer in case your computer fails, gets stolen, or gets destroyed in a fire Do I need to back up? Yes
  • How to Backup My Computer on Windows 10: A Step-by-Step Guide
    Backing up your computer on Windows 10 is simpler than you might think With a few straightforward steps, you can ensure your important files and system settings are safe You just need to use the built-in backup tools on Windows 10 Let’s dive into how you can get this done
  • Create full backup of your Windows 11 PC | Windows Central
    How to create backup on Windows 11 The Backup and Restore feature lets you create a system image of the entire system and files to an external hard drive or network folder location





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