任何经济活动,都是在外界各种因素的综合作用下进行的。其中,有些因素总会具有程度相异的不可靠性或意外性,这样,即使是有计划的经济活动,也会或多或少地存在着风险。所不同的是,气象有偿专业服务这种经济行为,具有显著的预测性,由于众所周知的原因,一方面由这种预测性所带来的风险性,目前还不能降低到最小限度,另一方面,因风险而给服务对象造成的大小经济损失,气象服务单位还无力承担,仅停留在事前解释或事后检 Any economic activity is carried out under the combined effects of various external factors. Among them, some factors will always have varying degrees of unreliability or unexpectedness, so that even with planned economic activities, there will be more or less risks. The difference is that economically meteorological professional services such economic behavior, with significant predictability, due to well-known reason, on the one hand by the predictability of the risk, at present can not be reduced to a minimum, on the other hand , Due to the risk to the client caused the economic losses of the size of the meteorological service units can not afford, only to stay in the ex ante explanation or ex post facto