Second , it quantificationally described complicated changes about breeding time precipitation , accumulated temperature of 79 counties and cities of heilongjiang province and the annual changes of heilongjiang province from 1984 to 1999 , ensured that precipitation and accumulated temperature of heilongjiang province has fractal characteristic 其次，定量地刻化了黑龙江省79个县市和1984 1999年黑龙江省的生育期降水、积温的变化，确定了黑龙江省79个县市和黑龙江省历年的生育期降水、积温都具有分形特征。
Based on those , the concept of chilling process was put forward according to the lowest biologic temperature of main tropic and south sub tropic crop and fruit in guangdong and the low temperature ( environment temperature 5 . 0 ) which is harmful to those crop and fruit . with the lowest air temperature ( the daily lowest air temperature ) x1 , the lasting days of low temperature x2 and an integrative physical element - - negative accumulated temperature x3 in which the effect of the intense and lasting days of low temperature were considered , the correlation coefficient of those indexes were calculated and analyzed , and the results showed that there are apparent linear correlations among them 在此基础上，以广东主要热带南亚热带作物的生物学下限温度为依据，从这些作物受寒害的起点温度(环境温度5 . 0 )出发，提出了寒害过程的概念，并用寒害过程低温的强度(逐日最低气温) x _ 1 、低温的持续时间(天数) x _ 2及考虑了低温的强度和持续时间综合作用的物理量负积温x _ 3这3个指标来描述寒害的强度，研究了广东历年冬季寒害的变化，分析了这3个指标间的相关系数，结果表明它们之间互相存在显著的相关关系。
The accumulated temperature of each stage of cynoglossus semilaevis gu nther was calculated with the record of the time and the temperature according to the principle of accumulated temperature . the summation of all the accumulated temperature was necessary with which the fertilized egg could get through its development of the embryo stage . the summation was 837 . 92 ( hour * ) , and the average temperature was calculated to be 21 . 0 according to the summation and the total time 通过对孵化时的温度和时间的记录，由积温法则计算出半滑舌鳎各个发育期所需要的积温，整个孵化期所需总积温为各个发育期的积温之和，最终结果为50275 . 1 ( min ~ * ) ，孵化的平均温度通过总积温和孵化总时间计算得，孵化阶段的平均温度为21 . 0 。
At last , according to relationship among the average fractal dimension of annual breeding time precipitation , accumulated temperature and crops yield of heilongjiang province , the climatic division and the comprehensive climatic division of precipitation , accumulated temperature of 79 counties and cities were divided by fractal dimension of precipitation and accumulated temperature . at same time , divisional results were combined with the information system . proved that divisional results accorded with fact , the fractal method deeply reflected complicated changes on precipitation and accumulated temperature of heilongjiang provinc and information system had convenient advantage in graphic display 最后，根据黑龙江省历年生育期降水、积温的平均分维与作物产量的关系，对79个县市按生育期降水、积温分维的大小分别进行了生育期降水、积温的气候区划，以及综合区划，将区划结果与信息系统有机结合，并证明区划结果符合实际，分形方法更深刻、全面地反映了降水、积温的复杂变化，信息系统方便的图形显示优点，该区划结果对原黑龙江省的气候区划是有益的补充。
