1) regional differentiation of drought and waterlog
旱涝分区
2) dry/wet regional differentiation
旱涝区域分异
1.
The dry/wet changes of surrounding area of Bohai Sea during past 500 years are divided into 7 stages, based on dry/wet indexes (D/W)of this area from 1470 to 1985 Then, the changes of dry/wet spatial types(D/WST) and its related dry/wet regional differentiation (D/WRD) features among different stages are analyzed.
用研究区 １４７０～ １９８５年的旱涝等级资料，划分了该地区５００年来旱涝变化的 ７个阶段，讨论 了不同阶段间旱涝型的变化及其旱涝区域分异意义、结果表明，５００年来研究区有４类主要旱涝型， 各型旱涝在不同阶段的重要程度及场型特征均有较大差异，深刻反映了该地区５００年来旱涝区域分异 特征的变化。
3) Regional flood and drought
区域旱涝
4) mainly drought flood region
主旱涝区
6) Drought-flood analysis
旱涝分析
补充资料：旱涝
1.旱灾和涝灾。亦泛指自然灾害。
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