fallback
英 [ˈfɔːlbæk]
美 [ˈfɔːlbæk]
n. 应变计划; 退路
复数：fallbacks
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- 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。
- What's our fallback if they don't come up with the money?
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.- 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。
- Yesterday's vote itself was a retreat from an earlier fallback position.
英英释义
noun
- to break off a military action with an enemy
双语例句
- Fallback policy: This tells whether or not the resource group will fallback.
故障恢复策略：这决定资源组是否执行故障恢复。 - When an application attempts to encode or decode a character but no mapping exists, it must implement a fallback strategy, which is a failure-handling mechanism.
如果应用程序尝试对字符进行编码或解码，但不存在相应的映射，则应用程序必须实施回退策略（这是一种失败处理机制）。 - The manifest file consists of three sections: CACHE, NETWORK, and FALLBACK.
清单文件包括三个部分：CACHE、NETWORK和FALLBACK。 - 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。 - A fallback on a user class causes the compiler to assume the current namespace.
用户类上的后退会让编译器假设使用当前的名称空间。 - If all fails, there is a fallback.
如果这一切努力都失败了，我还有后备方案。 - 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。 - For those less magically gifted, China's Hebei province now has a fallback option.
对于那些魔法天赋不高的孩子，中国的河北省目前提供了一个备选学校。 - 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。 - The problem here is that there is no standard HTML fallback to navigate to one of the available pages.
这里的问题是，没有一个标准HTML回退操作来导航到一个可用页面。