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.
结果提出了指数型分布族的因子分解判别法，并给出了指数型分布族的一个良好性质。
Results a factorization discriminance of exponential distribution family was obtained, moreover good properties of exponential distribution family were established.
对指数分布总体，给出了异常值检验费歇型统计量的大样本近似分布。
The approximate distribution of Fisher's statistics for exponential sample is given.
方法采用人体测量参数体重指数（BMI）和腰臀围比值（W/H）将体脂分布不同分为腹内型肥胖组、皮下肥胖组及非肥胖组。
Methods According to body mass index(BMI) and waist to hip circumference(W/H), the subjects were classified into three groups: intra abdominal obesity, subcutaneous obesity and non obesity group.
而在缺陷密度比较大的碲镉汞材料中，砷的分布呈多段指数型分布，表现出更复杂的多机制扩散特性。
While in HgCdTe with high dislocation density, the arsenic distribution is complex, exhibiting multi component exponential distribution.
而在缺陷密度比较大的碲镉汞材料中，砷的分布呈多段指数型分布，表现出更复杂的多机制扩散特性。
While in HgCdTe with high dislocation density, the arsenic distribution is complex, exhibiting multi component exponential distribution.
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