compound rainfall index 综合降雨指数
Rainfall erosion index 雨量销蚀指数
Index rainfall 雨量指数
Index rainfall-erosion 雨量销蚀指数
rainfall anomaly index RAI指数
rainfall erosive index 降雨侵蚀力指标
rainfall erosivity index [土壤] 降雨侵蚀力指标
rainfall rating index method 降雨量等级指数法
regional rainfall anomaly index 区域降水异常指数
Relatively strong rainfall period and effectively continuous rainfall can make the echo intensity decrease greatly and remain the low index for a long time, and the visibility turns well.
较强的降水时段和有效的连续降水将大幅度消弱回波强度，并使其较长时间地维持在低指数状态，其相应能见度也大为改善。
The climatic index of floods and water loggings are usually the abnormal rainfall of a year or a certain period.
洪涝与湿害的气候指标常用年或某时段的降雨异常来描述。
Based on the weather data from 1996 to 2002, the correlation equation between disease index of potato virus Y (PVY) and the temperature and rainfall was established.
根据1996 ~ 2002年有关气象因素的数据，建立了气温、降水量与PV Y病情指数的相关方程。
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