常常是用离心法分段收集沉淀的.Precipitates are usually collected by centrifugation at intervals.它可以用离心法分离.This can be separated by centrifugation.结论: 密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高.Conclusion: High purity of MSC can be obtained by density ...
大致的估计费用为每月9,000万美元。Ballpark estimates indicate a price tag of $90 million a month.默里在回家前和艾莉森达成了大致的约定。Murray and Alison came to some sort of loose arrangement before he went home.他画图时先快速勾勒出大致的轮廓。He starts a painting by qu...