• If your intention is a real "between" predicate, then the execution plan on the right is much better, because a single range scan with a start-top predicate delivers the matching row IDs only.

    如果目的要实现真正的between谓词右侧的执行计划更好一些,因为带有启动谓词的单个范围扫描传递匹配id

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  • Index scan (IXSCAN) with matching predicates.

    使用匹配谓词索引扫描(IXSCAN)。

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  • Typically, a non-matching index scan is chosen by the optimizer when the underlying index provides benefits such as index-only access, avoids sort, or some similar benefit.

    通常情况下,在基础索引提供好处(唯一索引访问避免排序一些类似的好处),可通过优化器选择匹配索引扫描

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  • An index scan can be non-matching, which means that there are no restrictions in the scan of the underlying index.

    索引扫描可以是非匹配意味着基础索引的扫描上没有限制

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  • If you ask Google a question, the search engine's computers scan the Web for matching search terms and come up with answers that make the most sense statistically.

    如果在Google中一个问题搜索引擎扫描Web页面和匹配搜索字段,然后得出从统计角度出发认为最有意义的答案

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  • KMP scan algorithm is improved by means of the analysis of string pattern matching BF and KMP. The complexity analysis reveals that the improved algorithm, KMPA, is more effective than KMP.

    通过字符串模式匹配BFKMP算法分析,提出了改进KMP扫描算法的方法,并通过对算法复杂性进行分析,结果表明:改进后的算法KMPA算法KMP有效

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  • We segmented input text. utilizing the methods of Maximum Matching and Reverse Maximum Matching, and found ambiguous word through two-way-scan method.

    本文在利用正向最大匹配方法逆向最大匹配方法来输入文本进行预切分通过双向扫描的方法检测歧义字段。

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  • Normal Distributions Transform (NDT) is used in scan-matching based SLAM, and map-building is implemented in larger scale indoor environment by home service robots.

    将正分布变换(NDT)应用基于扫描匹配的SLAM中实现了家庭服务机器人较大规模室内环境下的建图。

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  • Normal Distributions Transform (NDT) is used in scan-matching based SLAM, and map-building is implemented in larger scale indoor environment by home service robots.

    将正分布变换(NDT)应用基于扫描匹配的SLAM中实现了家庭服务机器人较大规模室内环境下的建图。

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