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(xiàn)資料的基礎(chǔ)上,對國內(nèi)外的抗旱預(yù)案研究現(xiàn)狀、乾旱指標(biāo)、抗旱措施進(jìn)行了歸納分析,指出了其中存在的主要優(yōu)缺點。