The sampling representative is made based on the individual deviation of phosphate rock by statistical method.
采用统计方法，针对原料磷矿个体差异，解决磷矿采样的代表性。
This paper USES the typical sampling method, selection of Nanning city block 14 has the representative city overpass bridge as the research object.
本文主要采用典型抽样法，选取南宁市14座具有代表性的城市立交桥作为重点研究对象。
This paper USES the typical sampling method, selection of Nanning city block 14 has the representative city overpass bridge as the research object.
本文主要采用典型抽样法，选取南宁市14座具有代表性的城市立交桥作为重点研究对象。
应用推荐