单词	two-phase sampling
释义	two-phase sampling 双重抽样
随便看	hold on like a limpet hold on like grim death Hold on the chain! hold on the chain hold on the land hold on the statutory trust hold on tight hold onto hold on to hold on to our favorable position in hold onto something hold on to something hold onto sth Hold on to your hat! hold on to your hat hold open hold open catch hold-open catch hold open operating lock hold-open operating lock holdor hold orders holdorf hold our breath hold our sides with laughter 风沼萦新皱风泉悲鸣风泉满清听风波下洞庭风波不信菱枝弱风流不人知风流不把花为主风流事风流云散风流云散じゃーなるじやくじやく【持薬】じゅじゅじゅじゅじゅじゅじゅ