Systematic PPS sampling design is a kind of popular design in the world that is widely applied in practice.
PPS系统抽样设计是国际上比较流行的设计，它在实践中有着广泛的应用。
Factorials design and Latin hypercube sampling design are applied in the high-speed milling experiments of martensitic stainless steel.
综合应用析因试验设计与拉丁超立方抽样试验设计，对难加工材料马氏体不锈钢进行了高速铣削试验。
Cyclic sampling design was used to investigate leaf area index(LAI)in flux contributing source of eddy covariance flux tower swamp ecosystems of Haibei.
使用循环采样设计方案，对海北沼泽化湿地生态系统涡度相关通量观测塔的通量贡献区内叶面积指数进行了实地调查。
It is the first national fish tissue survey to be based on a probabilistic (random) sampling design, and it will generate data on the largest set of PBT chemicals ever studied in fish.
该计划在美国第一次采用随机抽样的方法进行鱼体组织调查，并得到了有史以来最详尽的鱼体毒物残留数据。
It is the first national fish tissue survey to be based on a probabilistic (random) sampling design, and it will generate data on the largest set of PBT chemicals ever studied in fish.
该计划在美国第一次采用随机抽样的方法进行鱼体组织调查，并得到了有史以来最详尽的鱼体毒物残留数据。
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