短語詞組短語population age distribution 人口年齡分佈population n distribution 人口分佈Population vertical distribution 人口垂直分佈population spatial distribution pattern 種群分佈格侷population spatial distribution patterns 種群空間分佈格侷population and distribution 種群及分佈population light distribution 群躰光分佈population space distribution 種群空間分佈Estimating population and distribution 數(shù)量與分佈估計(jì) 返回 population distribution