1) Frequency set region
频率集区域
2) Area Concentration
区域集中率
3) natural frequency interval
固有频率区域
4) regional flood frequency
区域洪水频率
1.
Using the L-moments approach and the observed highest water levels in the Pearl River Delta(PRD) region at 19 hydrological stations over nearly 50 years,regional flood frequency analysis and spatial patterns were conducted and identified based on discordance test of hydrological stations and identification of hydrological homogeneity.
采用线性矩法及珠江三角洲19个水位站近50 a的年最高实测洪水位,在水文站点一致性分析及水文相似区鉴别的基础上,进行区域洪水频率计算及空间特征分析。
5) area load-frequency characteristic
区域负荷-频率特性，地区负荷-频率特性
6) regional flood frequency analysis
区域洪水频率分析
1.
Study on Application of the Regional Flood Frequency Analysis in the Huai-he River Basin;
区域洪水频率分析在淮河流域的应用研究
2.
The annual maximum flood data from86stations in Jiangxi Province and Fujian Province was applied as samples for regional flood frequency analysis using the L -moment estimation method based on genetic classification-- - fuzzy cluster analysis.
以江西省和福建省的86个水文站的年最大洪水资料为样本,在成因水文分区———模糊聚类法的基础上,采用线性矩区域综合方法进行区域洪水频率分析,并选用两种区域洪水分布线型:通用极值分布(GEV)、P-III型分布来检验这两省的洪水特性。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条