目的探讨梯度降解肌腱支架材料（GDBM）与肌腱细胞的生物相容性及肌腱细胞在三维支架上培养的生物学行为。
Objective To explore the biocompatibility of gradient degradation biomaterials(GDBM) and biological behaviors of cultured tenocytes combined with this three-dimension scaffold in tissue engineering.
因为刑罚方法可以形成自然的梯度，而犯罪行为无法自然形成梯度。
We may form a natural scale of punishments, whereas it is not possible to form a natural scale of crimes.
利用激光快速熔凝技术对DD 2单晶合金在超高温度梯度和快速凝固条件下的组织形态和元素的微观偏析行为进行了研究。
The microstructure characteristics and microsegregation of DD2 single crystal have been studied under ultra-high temperature gradient and rapid solidification conditions by laser rapid remelting.
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