名词
中文翻译：备用计算机
同义词：
['standby unit', 'backup computer例句：1. We need to have a standby computer ready in case of emergency.（我们需要准备一台备用计算机以防万一。）']
例句：
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1. We need to have a standby computer ready in case of emergency.
我们需要准备一台备用计算机以防万一。
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2.The company has invested heavily in its standby computer system.
该公司在备用计算机系统上投入了大量资金。
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3.The standby computer was used to monitor the factory's production process.
备用计算机用于监控工厂的生产流程。