在统计学中这个估计值叫组间方差.In statistical language , this estimate is called the between - column variance.两块之间的空隙称为组间间隙.The spaces between the blocks are called interblock gaps.但大剂量组间比较无显著性差异.There was no significant difference be...
铜绿假单胞菌, 大肠埃希菌, 克雷伯菌属及真菌是主要致病菌.Pseudomonas aeruginosa, Escherichia coli , Klebsiella pneumoniae and fungi were the main pathogens.G~+球菌占12.9%, 念珠菌属占14.1%.Gram - positive cocci were found in 12.9 %. Candida spp was present...