fall back

US [ˈfɔlˌbæk]
UK [ˈfɔːlbæk]
  • n.应变计划；退路
  • Web回退；后退；撤退
Singular：fallback  Plural Form：fallbacks  

Synonym

Advanced E-C

E-C

E-E

Web Definition

Fallback
n.
1.
应变计划；退路a plan or course of action that is ready to be used in an emergency if other things fail
What's our fallback if they don't come up with the money?
要是他们拿不出钱，我们如何应变？
We need a fallback position if they won't do the job.
如果他们不干这个工作，我们就需要一个应变的方案。

Sample Sentence

Definition:
AllAll,应变计划应变计划,退路退路,回退回退,后退后退,撤退撤退
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
Perhaps silent failure or flag return values would be useful, or another sort of fallback operations for error cases.
无声故障或标志返回值可能会有用，或另一种用于错误例子的后退操作会有用。
wú shēng gù zhàng huò biāo zhì fǎn huí zhí kě néng huì yǒu yòng , huò lìng yī zhǒng yòng yú cuò wù lì zǐ de hòu tuì cāo zuò huì yǒu yòng 。
www.ibm.com
2.
If used as an overall style, be prepared to have a fallback plan when counterparts intentionally slow the pace.
如果用其作为一种整体谈判风格，当对手故意放慢速度时，必须准备好退却计划。
rú guǒ yòng qí zuò wéi yī zhǒng zhěng tǐ tán pàn fēng gé , dāng duì shǒu gù yì fàng màn sù dù shí , bì xū zhǔn bèi hǎo tuì què jì huà 。
dictsearch.appspot.com
3.
Enumeration, you can control whether the ultimate fallback location for resources is in the main assembly, or in a satellite assembly.
枚举，您可以控制资源的最终后备位置是在主程序集中还是在附属程序集中。
méi jǔ , nín kě yǐ kòng zhì zī yuán de zuì zhōng hòu bèi wèi zhì shì zài zhǔ chéng xù jí zhōng hái shì zài fù shǔ chéng xù jí zhōng 。
msdn2.microsoft.com
4.
But as a fallback, make sure mail sent to a few general e-mail addresses gets to the right person.
但也请确保发到一般性的电子邮件地址的邮件能够送达给合适的人员。
dàn yě qǐng què bǎo fā dào yì bān xìng de diàn zǐ yóu jiàn dì zhǐ de yóu jiàn néng gòu sòng dá gěi hé shì de rén yuán 。
www.ibm.com
5.
A replacement fallback handler, which replaces characters that cannot be encoded with some arbitrary replacement character.
替换回退处理程序，它把无法编码的字符替换为任意替换字符。
tì huàn huí tuì chǔ lǐ chéng xù , tā bǎ wú fǎ biān mǎ de zì fú tì huàn wèi rèn yì tì huàn zì fú 。
technet.microsoft.com
6.
A replacement fallback handler, which replaces bytes that cannot be decoded with some arbitrary replacement character.
替换回退处理程序，它把无法解码的字节替换为任意替换字符。
tì huàn huí tuì chǔ lǐ chéng xù , tā bǎ wú fǎ jiě mǎ de zì jié tì huàn wèi rèn yì tì huàn zì fú 。
msdn.microsoft.com
7.
A best-fit fallback handler, which replaces characters that cannot be encoded with some suitable replacement character.
最佳回退处理程序，它把无法编码的字符替换为合适的替换字符。
zuì jiā huí tuì chǔ lǐ chéng xù , tā bǎ wú fǎ biān mǎ de zì fú tì huàn wèi hé shì de tì huàn zì fú 。
technet.microsoft.com
8.
When overridden in a derived class, retrieves the next character in the fallback buffer.
在派生类中重写后，此方法检索回退缓冲区中的下一个字符。
zài pài shēng lèi zhōng chóng xiě hòu , cǐ fāng fǎ jiǎn suǒ huí tuì huǎn chōng qū zhōng de xià yī gè zì fú 。
msdn2.microsoft.com
9.
A fallback buffer is required even if the strategy implemented by a particular fallback does not require emitting data.
即使由特定回退实现的策略不需要发出数据，仍然需要回退缓冲区。
jí shǐ yóu tè dìng huí tuì shí xiàn de cè lüè bù xū yào fā chū shù jù , réng rán xū yào huí tuì huǎn chōng qū 。
msdn2.microsoft.com
10.
But it's hard to evaluate that if there is always a fallback person who, by definition, presents a rosier picture.
但如果总是有那么一个能够带来更加美好的图景的候补情人的话，那就很难估计了。
dàn rú guǒ zǒng shì yǒu nà me yī gè néng gòu dài lái gèng jiā měi hǎo de tú jǐng de hòu bǔ qíng rén de huà , nà jiù hěn nán gū jì le 。
www.bing.com