bootstrap analysis造句

8 computer program, then used to calculate di stance matrix with kimura's two-parameter method and construct phylogenetic trees by applying neighbor-joining and maximum parsimony analyses using mega2.1 computer program . bootstrap analyses were carried out to evaluate statistical reliability based on 500 resamplings of the data set
新鲜或硅胶干燥样品被用于总dna提取并用于pcr反应，pcr扩增产物回收后直接用于测序反应，序列数据经chstalx1.8软件排序后，采用mega2.1软件根据kimura’s双因子法计算遗传距离，并应用邻接法(neighbour-jointing)和最大简约法(maximumparsimony)构建系统树，bootstrap法(500次重复)评估分支可信度。
It's difficult to find bootstrap analysis in a sentence. 用bootstrap analysis造句挺难的