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- The return of a portion of the output of a process or system to the input,especially when used to maintain performance or to control a system or process. 反馈一个过程或系统的一部分由输出向输入的返回，尤指用来维持运转或控制一个系统或过程。
- Exclusive Seagate features help maintain performance, increase reliability and prevent data loss for IT applications with low access-density and high reliability requirements. 独有的Seagate功能有助于保持IT应用的性能、提高可靠性并防止数据丢失,并且满足低访问密度和高可靠性需求。
- The return of a portion of the output of a process or system to the input, especially when used to maintain performance or to control a system or process. 反馈一个过程或系统的一部分由输出向输入的返回，尤指用来维持运转或控制一个系统或过程
- Simultaneously, however, according to a study conducted by Nancy Wesensten and others at the Walter Reed institute, volunteers deprived of sleep for two straight nights can maintain performance when given high doses of modafinil or caffeine. 然而，根据华尔特 - 里德研究院的南希 - 韦森斯滕和另一些人所做的研究，志愿受试者在服用大剂量莫达非尼或咖啡因后连续两夜不睡觉，照样能保持正常的活动能力。
- The performance truly exalted the audience. 演出确使观众情绪高昂。
- Automatic Workload Repository (AWR) automates database statistics gathering by collecting, processing, and maintaining performance statistics for database problem detection and self-tuning purposes. 自动负载信息库自动收集这些统计信息，以发现数据库性能问题，并进行自身调整。
- I didn't think her performance was up to par. 我认为她表现得不及平时。
- We need a yardstick to measure our performance by. 我们的表现需要一个检验的标准。
- We must maintain a firm attitude. 我们必须采取坚定的态度。
- Live performance is the best! I am still keyed up. 现场演出是最棒的！我仍兴奋不已。
- People would not dig down for such a performance. 人们不愿意为这样的演出掏腰包。
- He is too poor to maintain his family. 他太穷了，无法养活家人。
- A substance believed to maintain life indefinitely. 长生不老药被认为可以使生命无限的物质
- We like to see the performance of dolphins. 我们喜欢看海豚的表演。
- His performance of Hamlet was topnotch. 他扮演哈姆雷特最为出色。
- The singer gave an erratic performance. 演唱者未唱出水平。
- The show will fold after Friday's performance. 星期五演出后就要停演了。
- The plan is merely designed to maintain their nuclear superiority. 制定这个计划只是为了保持他们的核优势。
- The little boy's performance is fabulous. 那个小孩的表演真是精彩。
- The factory cannot maintain current levels of production. 该工厂不能保持目前的生产水平。
