stand-by

基本解释

The DB2 server would automatically relay log changes from primary to its stand-by server.
DB2 服务器会自动将日志变更从主服务器传递给备用服务器。
Failure of the active server within the messaging cluster results in failover to one of the stand-by messaging engines.
消息传递集群中的活动服务器的失败将导致故障转移至备用消息传递引擎。
This solution involves using an additional DB2 server as a stand-by that can take over operations when the primary has to go down.
该解决方案将一个额外的 DB2 服务器用作备用服务器，它在主服务器出现故障时接管其工作。

The IMF says it has introduced reforms called stand-by arrangements (SBA) that would provide flexibility in lending to poorer countries, but Griffiths says they too would come with preconditions not imposed on wealthier states.
In comments introducing the annual report, Secretary of State Hillary Clinton said the United States will always stand against religious-based discrimination and persecution, but that it strongly disagrees with those who would combat such problems by curbing free speech.

PS4 also enables games to be downloaded or updated in the background, or even in stand-by mode.
ENGADGET: Sony unveils its next game console, the PlayStation 4, arriving in holiday 2013
They have to juggle a multitude of different fare structures and handle tricky things like stand-by tickets.
ECONOMIST: Idea

If you are standing by, you are ready and waiting to provide help or to take action.
&rarrsee also standby
If you stand by and let something bad happen, you do not do anything to stop it.
If you stand by someone, you continue to give them support, especially when they are in trouble.
If you stand by an earlier decision, promise, or statement, you continue to support it or keep it.