two-sample test是什么意思

用法例句

Application study of parallel double sample in quality control for air SO 2 collected;

平行双样对大气二氧化硫采样样品进行质量控制的应用研究

The testing problem of double sample’s average vector and covariance matrix has been solved in the paper.

从应用角度出发,解决了双样本均值向量和协方差矩阵的检验问题。