... due proportion : 调合，相称 sampling proportion : 抽样比例 proportion of death : 死亡比，死亡率 ...
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比例抽样 [数] proportional sampling
分层比例抽样 stratified proportion sampling ; Stratified Proportional Sampling
类型比例抽样 typically proportional sampling
随机比例抽样法 method of random proportional sampling
概率比例抽样 probability proportionate sampling ; Probability proportionate to size
按比例抽样样品 Quota Sample
比例抽样法 proportional sampling ; Stratified sampling with proportional allocation
机率比例抽样 Probability proportional sampling
按比例抽样 [统计] proportional sampling
按15%和10%的抽样比例得到的核心库的方差差异百分率相等而高于25%抽样比例的方差差异百分率；
These percentage of variance difference through sampling at 15% and 10% were higher than that of through sampling at 25%.
而我们对1500名青年所作的抽样调查发现，称自己失业或认为自己失业的人的比例要高于这个数字，在35 - 40%之间。
Our survey of 1,500 youth found that the self declared or perceived jobless rate was even higher, at 35 to 40 percent.
布莱顿的人均瑜伽馆数量为其它抽样城市的2倍，城市居民的肥胖比例则低于全国平均水平。
It had twice as many yoga clubs per head than the other cities sampled, while the level of obese inhabitants is below the national average.
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