二次电弧法
Two-steps arc discharge method
二次萃取蒸馏法
twice extraction and distillation
twice extraction and distillation method
二次抽样检查法
double sampling inspection plan
二次插值法
quadratic interpolation method
quadric interpolation technique
二次侧小电流法
Small Current Flowing the Secondary Side
二次波法
Double traverse technique
二次标准加入-逼近法
double standard addition-approaching
二次逼近法
Quadratic approximation
quadratic approach method
二乘模糊去耦调节法
LAMBDA least squares ambiguity decorrelation adjus