fallback

英 [ˈfɔːlbæk]

美 [ˈfɔːlbæk]

n.  应变计划; 退路

复数：fallbacks　

计算机

BNC.48596 / COCA.23870

牛津词典

noun

• 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
  1. 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？
  2. 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。

柯林斯词典

• ADJ (计划失败或发生意外时)退守的，应变的，备选的
  Someone'sfallbackposition is what they will do if their plans do not succeed, or if something unexpected happens.
  1. Yesterday's vote itself was a retreat from an earlier fallback position.
     昨天的投票本身就是放弃先前所留退路的做法。

英英释义

noun

• to break off a military action with an enemy
  Synonym:disengagementpullout

双语例句

• The downside of this method is that two reboots are needed in case of a fallback.
  这个方法的缺点是回滚时需要两个启动方式。
• In international applications the recommended method of selecting Fonts is to use font fallback wherever possible.
  在国际化应用程序中，选择字体的推荐方法是尽可能使用字体后备。
• Also, though not reflected in this table, there are global settings for fallback mechanisms if some of the contributing components do not provide any caching-related information.
  另外，如果某些提供信息的组件没有提供任何与缓存相关的信息，则可以使用后备机制的全局设置，不过这一点没有在此表中得到体现。
• This article goes through the multiple ways of doing a TL update and the fallback options, as well.
  本文将详细说明TL的多种更新和回滚方法。
• Below the fallback resources are the resources for any neutral cultures.
  后备资源之下是用于任何非特定区域性的资源。
• Gets or sets the location from which to retrieve neutral fallback resources.
  获取或设置检索非特定回退资源的位置。
• You have successfully configured the IBM NAS client to look up the NAS servers using TDS, along with a fallback mechanism.
  您已经成功地配置了IBMNAS客户端，使其使用带后备机制的TDS来查找NAS服务器。
• The next character in the replacement fallback buffer.
  替换回退缓冲区中的下一个字符。
• Configuration of IBM NAS client for server discovery using TDS with the fallback mechanism
  使用带后备机制的TDS进行服务器发现的IBMNAS客户端配置
• Too-big-to-fail is not a fallback position at Berkshire.
  “大到不能倒”不会是伯克希尔的退路。