The key meteorological factors affecting summer locust outbreak were selected by using Spearman Order Correlation methods. 利用秩相关系数法,筛选出影响河北省洼淀和沿海两个类型区夏蝗大发生的关键气象因子。
The unbalancing value was resolved with influence coefficient method. 利用影响系数法进行不平衡量的解算。