Small Tooth Number Difference
optimal sampling number
Optimum sampling number
rational sampling number
reasonable sampling number
sampling number
取样数目
取样数量
采样次数
采样点数
采样数
样本容量
粒子数
采样点
theoretical sampling number
theore-tical sampling number
thcorcticla sampling number
difference in difference
difference in difference (DD) method
Difference-in-difference
Stratified sampling Objective sampling
Mistake of row-column number in the drawing number of 1∶1000000
recombination of the number of grain and the number of panicle
+ expression difference
27-point difference sheme
2kL method of the optical-path difference
2nd-order difference ARED