名词中文翻译
中文翻译：备用块
同义词：
['standby', 'backup block']
例句：
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1.The server's stand-by block is ready to take over if the primary one fails.
如果主服务器失败，备用服务器的备份区块已经准备好接管。
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2.During maintenance, we need to ensure that all critical systems have a stand-by block in place.
在维护期间，我们需要确保所有关键系统都有备用区块。
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3.The engineers were instructed to test the stand-by block before the main system was switched on.
工程师被指示在主要系统启动之前测试备用区块。