4) The differentiation effects of GDNF had quantity-effect and time-effect relation.
4)GDNF诱导存在量效和时效关系。
参考来源 - 骨髓基质干细胞向肠神经元细胞分化的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
There are some differences in relation to time limit, manner and effect of acceptance and disclaimation of succession.
在时限，接受和放弃继承的方式和效果方面存在一些差异。
The paper studies the relation between the section rigidity and the service time of the RC bridge under the composite effect of the expansion of cracks and the whole or local corrosion.
分别研究了钢筋混凝土桥梁在整体腐蚀和局部腐蚀同裂缝扩展的组合效应下截面刚度与服役时间关系。
Therefore, this model and algorithms can provide a fast and accurate way of time relation checking, and the same effect as conventional ones in functional checking.
因此，当用作时间关系检查时，它具有既快又准的特色；当用作功能检查时，效果与传统模型和算法相同。
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