The characteristics of rainfall and flood are illustrated. The reasons of disaster are analyzed and the measures of flood and water logging control are also discussed.
阐述了1991年降雨和洪水的特征，分析了产生洪涝灾害的原因，并对今后的治理措施进行了探讨。
Total starch and grain starch content directly connected to water-logging the highest, while the branched-chain starch content in order to control the maximum.
籽粒总淀粉和直连淀粉含量以渍水最高，而支链淀粉含量以对照最高。
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