当查询性能中出现例外情况时,优化指南和统计视图特性对于弥补访问计划估计的不准确性非常有用。
Optimization guidelines and statistical views are useful features to compensate the access plan evaluations when exceptions in query performance occur.
研究小组之间应加强合作,更好地理解指南中关于研究设计的建议,以便在不断增加的死因推断研究中获得更好的死亡率统计数字。
Better uptake of design recommendations through enhanced collaboration between research teams is likely to produce better mortality statistics from an increasing number of verbal autopsy studies.
但是使用这两个特性时要谨慎,因为对于优化指南,需要额外的查询匹配开销,而对于统计视图,又有编译方面的开销。
They should be considered carefully, as there is an associated cost of query matching for guidelines, or compilation for statistical views.
专家们在对已公布的研究结果进行分析时发现,大多数研究的病例数太少,不能提供有意义的统计结果,增加了制定指南的难度。
In analyzing the published studies, the panel found that most were too small to provide meaningful statistical results, increasing the difficulty of making recommendations.
在2000年出版的指南中,1979年国家健康统计中心的生长数据被用作儿童生长的参考。
In the guidelines published in 2000, the 1979 National Center for Health Statistics growth charts were used to reference the growth of children.
应用统计信号分析导论,第三版,生物医学和电气工程应用指南。
Introduction to Applied Statistical Signal Analysis, Third Edition Guide to Biomedical and Electrical Engineering Applications. PDF.
基本的医学统计和通常使用程序指南的基础的概念的介绍。
Basic introduction to the underlying concepts of medical statistics and guide to commonly used procedures.
反映出十年的变化的价值,这次再版是实际的在毒理学和可得到解决他们的方法学方面遇到的普通统计问题指南。
Reflecting a decade's worth of changes, this second edition is a practical guide to the common statistical problems encountered in toxicology and the methodologies that are available to solve them.
其次,依托论文第二部分所构建模型及《中国城市统计年鉴》和《中国公路里程和空车配货指南》,进行区域经济联系和地缘经济关系的测度研究,并对结果进行分析;
Second, the thesis studies the spatial linkages of regional economic contacts and inter-regional economic relationship using the modal that appearing in the part three, and then analyze the results.
其次,依托论文第二部分所构建模型及《中国城市统计年鉴》和《中国公路里程和空车配货指南》,进行区域经济联系和地缘经济关系的测度研究,并对结果进行分析;
Second, the thesis studies the spatial linkages of regional economic contacts and inter-regional economic relationship using the modal that appearing in the part three, and then analyze the results.
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