drought preparedness plans

On the basis of consulting a large amount of documents and papers, this paper has analyzed the investigates of the drought preparedness plans and drought indexes about home and abroad , pointed them out the virtues and defects .
本文在查閲大量文獻資料的基礎上,對國內外的抗旱預案研究現狀、乾旱指標、抗旱措施進行了歸納分析,指出了其中存在的主要優缺點。