精确检验 meaning in Chinese

rigorous examination

However the dys393 marker showed a significant difference when our data were compared to samples from shenyang area . three markers showed heterogeneity between populations with a statistically significant difference when our data were compared to white people samples
Fisher ’ s精确检验统计一分析一表明， dys390 、山西医科大学2003年硕十学位论文dy ， 391等位基因频率分布与国内不同地区差异不明显，与自种人有明显差异。