Business entities are the fundamental building block of the conceptual data model.
业务实体是概念数据模型的基本构建块。
This article introduces the model systematic designing method and the structure, and the function block.
介绍了自适应调整模型的系统设计方法、系统的结构及自适应模型的各个功能块。
Conclusion: Dachuanxing Prescription can block the nerve cell apoptosis of migraine model rat.
结论：说明大川芎方对硝酸甘油型偏头痛大鼠神经细胞凋亡具有抑制作用。
Research on the optimization model of the block container train formation plan;
本文主要讨论了装车地直达列车编组计划的优化问题。
The utility model can be set into an air-saving window or blind drift block.
本实用新型还可以设置成节风窗、盲巷封闭。
The utility model can be set into an air-saving window or blind drift block.
本实用新型还可以设置成节风窗、盲巷封闭。
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