西北干旱半干旱地区洪水频率计算分析 关键词 洪水频率 干旱半干旱地区 统计计算 [gap=583]Key words frequency of floodwater; arid and semi-arid region; statistics and calculation
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The platform based on unified coding standard and integrated data information were established, which provided automatic, reliable, and complete data source for line loss statistics and calculation.
基于统一编码标准和统一数据信息平台,为线损统计、计算提供了自动、可靠、完整的数据源;
Take the first cross section as an example, and the calculation formula of flexural capacity of composite beams is obtained by using the error transfer formula of mathematical statistics.
运用数理统计学的误差传递公式,推导出了组合梁截面抗弯承载力统计参数的计算公式(以第一类截面为例)。
The paper discusses the selection and measurement analysis of transfer standard for power meter as well as the calculation analysis of the data with inter-laboratory comparison and ability statistics.
并在明确测量误差分布的前提下,以统计控制的方式对实验室能力验证方法进行了比较详细的论述。
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