break-up time meaning in Chinese

崩裂时间

Thirdly , there are many river bends and shoals in the inner mongolia reach . ice flood will occur in these places at the break - up time . it is valuable and meaningful to make factor analysis for ice flood and model research for freeze - up time and break - up time
第三，内蒙段成几字型大弯曲，其间浅滩弯道叠出，坡度变缓，逶迤曲折，河中多夹心滩，分流窜沟，解冻开河时，常在河道的曲湾或山宽变窄的狭窄段产生凌汛。
The thesis reviews the historic and present situations of the yellow river , makes factor analysis for ice flood , simulates and forecasts freeze - up time and break - up time on the basis of fuzzy set theory . the results are reasonable and precise . in the end , the knotty problems are given to obtain feedback information for the future researches
因此，在研究影响河流冰情的热力因素、动力因素、河势因素的基础上，进行凌汛成因分析并对封河日期、开河日期的预报模型做深入探讨，既有理论价值，也有应用意义。