超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
Asymptotic双尾显著性检验
asymptotic twin tails significance examination
t-显著性检验
t-significance level test
变异的显著性
significance of variations
差异的显著性
Significance of difference
差异显著性
Significance of difference
difference significant
差异显著性测验
Significance testing
difference significance test
差异显著性检验
test of the significance of difference
testing the significance of variation
Significance test of difference