In order to improve the performance of information retrieval system, a retrieval algorithm combining multi-query data fusion with positive relevance feedback is presented.

为提高信息检索系统的性能，提出了一种多查询数据融合与正相关反馈相结合的检索算法。

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A feedback scheduling based on model predictive control (FS-MPC) was presented to improve the control performance of real-time control system subject to limited computational resource.

提出一种基于模型预测控制(MPC)的反馈调度算法(FS - MPC)，可以在有限计算资源的情况下改进实时控制系统的性能。

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According to performance index, a states feedback controller was also designed to improve the performance of the control system.

根据性能指标要求设计了状态反馈控制器，从而提高控制系统的品质。

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The foundation and others have estimated that it could cost between 1.5% and 2% of the overall budget for teacher compensation and benefits to implement a feedback and evaluation system based on multiple measures of teaching performance.

CNN: Bill Gates: Invest in better teaching