In order to model your database's schema, DrySQL needs to query your database, which requires a database connection and results in temporary performance degradation.
为了给你的数据库schema建模，DrySQL需要查询你的数据库，这需要连接数据库并导致一段暂时的性能退化。
A principal component analysis-cerebellar model articulation controller (PCA-CMAC) model is proposed for machine performance degradation assessment.
提出了一种用于设备性能退化评估的PCA-CMAC（主成分分析小脑模型节点控制器）模型。
In order to solve query performance degradation problems of the enterprise management system designed by "big focus" approach, and propose a sound query performance optimization model.
为了解决以“大集中”方式设计的企业管理系统的查询性能下降的问题，提出了完善的查询性能优化模型。
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