紫外线指数预报大致可分为统计预报和模式预报两种方法。
The UV index prediction has two methods of Statistics Predction and Model Prediction .
世卫组织鼓励媒体和旅游业发布紫外线指数预报并开展防晒宣传。
WHO encourages the media and the tourism industry to publish UVI forecasts and promote sun protection messages.
紫外线指数预报大致可分为统计预报方法和模式预报方法两种。
The major methods of forecast of surface sunny Ultraviolet Index consist of statistics forecast and model forecast.
了解紫外线指数：当紫外线指数预报辐射级别为3(中度)或更高时。
Know the UV index: when the UV index predicts radiation levels of 3 (moderate) or above sun safety practices should be taken.
了解紫外线指数：当紫外线指数预报辐射级别为3(中度)或更高时。
Know the UV index: when the UV index predicts radiation levels of 3 (moderate) or above sun safety practices should be taken.
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