| 1. | Continuous data can be expressed in either fractions or whole numbers . 连数资料可以用分数表示,也可以用整数表示。 |
| 2. | Exploiting window semantics in continuous data streams system 数据流持续查询系统的窗口语义研究 |
| 3. | How to continuously query on the continuous data streams is an important research direction in the data stream theories 如何在连续快速的数据流上进行聚集查询成为数据流理论中一个重要的研究方向。 |
| 4. | Some sensors may only provide best efforts to deliver continuous data with no guarantee that all samples will arrive 一些传感器可以通过最大努力来传输连续的数据流,却不能保证这些数据能够顺利传输。 |
| 5. | As a result , the data of the 18th group moisture is out of control and found 5 continuous data of ash content from the 10th group had the tendency of displacement 发现第18组水分数据失控,发现灰分数据从第10组起连续5个数据有位移的倾向。 |
| 6. | Analyzing nearly continuous data collected from nine weather stations over the past 30 years , the researchers concluded that antarctica ' s air is indeed heating up 通过对从9个气象站30年来几乎连续收集到的数据进行分析,研究人员得出结论,南极洲的气温的确在上升。 |
| 7. | This method is best used for normal distribution curves , but does not work well if the distribution includes a large number of values that occur in a narrow group in the continuous data 此方法最适用于正常分布曲线,但如果分布包含的值数量很大,并且这些值在连续数据的窄组中,则此方法的使用效果不是很好。 |
| 8. | Applying the mass balance and the reaction equilibrium theory , a dynamic model of carbon content and temperature variation of bof steelmaking process based on the continuous data from the exhaust gas analysis system was built 摘要根据物料平衡及反应平衡原理,利用炉气分析系统在线连续检测、分析数据,建立了转炉冶炼过程中碳含量及温度变化的动态模型。 |
| 9. | Chapter six focuses on the database . facing to the continuous data acquisition and saving , how to solve the conflict between the large scale of data acquisition and quick enquiry and limitation the size of the database . based on the experiences accumulated in the several years , it gives a convinced solution 第六章是针对数据库而写的,面对大量的数据采集与存储,如何解决其与查询、分析的矛盾及限定数据量大小等问题,在总结积累几年开发经验的基础上,提出了解决办法。 |
| 10. | Second , the issue of approximate aggregation query on the data streams is discussed . meanwhile , the approximate query theories based on the histogram synopsis is proposed , and the autosuited histogram synopsis method and the histogram synopsis synchronization method are provided . third , the problem of predictive aggregate queries on the continuous data streams is researched , and a new predictive aggregate query method based on basic window synopsis and predictive equation is given 本文围绕连续数据流上的聚集查询展开讨论,首先针对数据流上的精确聚集查询问题,提出3种改进的基于滑动窗口的精确聚集查询算法,这三种算法可以在消耗很少内存的情况下提供高效准确的查询结果;其次讨论了连续数据流上的近似聚集查询问题,给出了基于数据流滑动窗口的直方图大纲理论,并提出了适用于滑动窗口的自适应直方图大纲生成算法和大纲同步策略;最后讨论了连续数据流上的预测聚集查询问题,提出了一种基于基本窗口及预测方程方法的预测聚集查询算法。 |