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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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  • Back up or restore data on your Android device - Google Help
    Manually back up data settings On your Android device, open your device's Settings app Tap Google All services Under “Backup and restore,” tap Backup Back up now
  • Back up your device - Android - Google One Help
    You can set up your phone to automatically back up your files On your Android phone, open your device's Settings app Tap Google Backup Tip: If this is your first time, follow the on-screen instructions to turn on backup To review your backup settings, tap Manage backup Your backup can take up to 24 hours
  • Back up photos videos - Android - Google Photos Help
    The progress of your backup is measured by how many items remain to upload When your items finish backing up, your status reads "Backup complete " If your backup status is off, your status reads "Backup is off " Manually back up photos videos On your Android device, open the Google Photos app Sign in to your Google Account Open the photo
  • Sign in with backup codes - Computer - Google Account Help
    If you can’t sign into your Google Account with your normal 2-Step Verification, you can use a backup code for the second step Create backup codes to use in case you lose your phone, change your phone number, or otherwise can't get codes by text, call, or Google Authenticator
  • Back up photos videos - Computer - Google Photos Help
    At the top right, click Info Under Backed up , the backup status and size of your photo or video displays Learn what happens when you back up your photos If you have backup turned on: Find photos from your phone: On your computer, you can find photos and videos that you take on your phone or mobile device Learn how to turn on backup
  • how to backup google drive
    Once the backup is complete, you can access your files from the other computer or storage device Another way to backup your Google Drive is to use the Google Takeout service This service allows you to download a copy of your Google Drive files, including your documents, photos, videos, and more To use Google Takeout, follow these steps:
  • Back up or restore data on your Pixel device - Pixel Phone Help
    Explore the different options to back up your Google Pixel phone data to your Google Account You can restore your backed-up information to your phone
  • Use Google Drive for desktop - Google Drive Help
    Looking for more advanced controls? Dive into topics like customizing settings, using offline access, and managing photos photos backups in our advanced Drive for
  • Back up your device - Computer - Google One Help
    Delete your data backups If you turn off backup on your device, your backups are deleted Photos and videos that you previously backed up remain saved in Google Photos To delete your backup, you can also use your Google Account dashboard If you don't use your device for 57 days, the data you backed up (except photos or videos) is also erased
  • Export, back up, or restore contacts - Android - Contacts Help
    Restore contacts from backups Important: Both devices must be on the same Android version or your new device must be on a later Android version If your new device is on an older Android version than your previous device, it may result in an incomplete data transfer Learn how to check and update your Android version





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