风暴相对螺旋度用于预报时计算的难点在于确定预报风暴移动速度。
It is difficult for the application of relative storm helicity in predicting storms for the uncertainty of storm velocity.
根据模糊聚类与模糊识别理论，基于模糊环境下的目标函数，提出了一种确定预报因子权重的理论模式。
According to fuzzy clustering theory and fuzzy pattern recognition theory, a theory and model deciding forecast factor weight was present on basis of fuzzy object function in this paper.
在适应和减轻气候变化的农艺措施上确定优先重点，包括研究工作和监测、预报影响及收集数据的体系；
Priority setting in agronomic options for adaptation and mitigation including research and systems to monitor and predict impacts. and in data collection
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