ice prevention meaning in Chinese

防凌
防止结冰

The main conclusions of the research are shown as follows : ( 1 ) with meeting the comprehensive using demands including flood control , ice prevention and water supply of the main stream , aimed at the maximum generation electricity in a period of the reservoir regulation , built up the optimal regulation model of the longyangxia - liujiaxia system and sanmenxia - xiaolangdi system and adopted poa method to solve it , obtained long series compensation regulation results
论文取得的主要成果如下： ( 1 )在满足全河干流防洪、防凌、供水等综合利用要求的前提下，以水库调度期发电量最大为目标，采用大系统分解协调方法，建立了龙刘和三小的优化模型，采用逐步优化算法( poa )求解了该模型。