sampling with unequal probabilities 不等概率抽样
angle with unequal legs 不等边角钢
sampling with unequal probability [统计] 不等概率抽样
angle steel with unequal legs 不等边角钢
Annulus with unequal thickness 不等厚环
Transition with unequal substeps 不等间距跃迁
strain tower with unequal legs 长短腿耐张输电铁塔
determination with unequal numbers 不等重复次数测定
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