Maximum entropy spectral analysis method (MEM) is a widely used modern spectral analysis method, which characterizes high resolution and fits for short time sequence especially.
最大熵谱估计法是一种具有很高分辨率，并特别适合短时序列分析的现代谱分析方法。
The purity of Human embryonic MSC which isolated by density gradient centrifugation and cultured by MEM culture medium in vitro is high. The activity of MSC is good.
用密度梯度离心法分离后MEM培养基体外培养的人胚胎msc纯度高，生物活性好。
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