He noted that complete data sets for climate variables are very difficult to build in developing countries - in particular in the case of global solar radiation, which is the driving input variable for agricultural and water resources impact models.
他说，发展中国家很难建立完整的气候变量成套数据—特别是在全球太阳辐射方面，而这是农业和水资源影响模型最主要的输入变量。