antithetic variable sampling
Variable Sampling
变量抽样
可变抽样法
可变采样率抽样
计量抽样
可变抽样
变采样
acceptance sampling by attributes
acceptance sampling by variables
acceptance sampling plan
acceptance sampling scheme
explosion-proof variable frequency variable speed
function of complex variable complex variable
stator variable voltage variable speed
variable diameter and variable pitch
Variable Frequency Variable Speed
variable frequency variable speed system
Variable Voltage Variable Frequency
acceptance of notice of acceptance
Acceptance Test， Acceptance Trial
Stratified sampling Objective sampling
(2+1)-dimensional Broer-Kaup system with variable coefficients