用空间分布型指数法对调查数据进行测定，田间卵的空间分布为聚集分布型。
Analysis of the population data from the field by using the method of spacial distribution index indicates that the spacial distribution pattern of eggs was of aggregation type.
表明根据研究对象和研究目的选择合理的分布型指数，能够提供种群空间分布格局的多侧面信息。
Thus, according to research object and goal, choosing a reasonable distribution index can provide multi-factor information about the spatial pattern of the population.
方法在因子分解定理的基础上提出了一个判别指数型分布族的简单方法。
Methods A simple method for distinguishing of exponential distribution family is obtained based on factorization theorem.
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