The evaluation of nerve cell aging index: The level of lipofuscin (relative fluorescent value) index of cells aging was detected by micro-spectrofluorometer to reflect the degree of cell aging;

评估神经细胞变化的指标检测：采用显微荧光分光光度计测定细胞老化指标脂褐素水平（相对荧光值）反映细胞老化程度；

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Besides, there are also some hidden dangers in the composition of the evaluation staff, for example, their aging trend is clearly and their educational level is lower.

另外，在考评员人员构成中也存在着年龄结构老龄化趋势明显、学历水平偏低等隐患。

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