用于替换承受较大载荷的人体硬组织的植入材料，不仅应具有良好的骨结合能力，还应具有高的强度和韧性。
Implant materials to be used as substitutes for high load-bearing bones need to possess not only bone-bonding ability but also high fracture toughness.
由此产生的钢似乎达到了强度和韧性的结合，这与合金含量非常高因而非常昂贵的现代钢相当。
The resulting steel appears to achieve a combination of strength and toughness that is comparable to that of modern steels that are very rich in alloy content and, therefore, very expensive.
齿轮齿形采用磨齿加工，齿面采用智能控制渗碳淬火技术，齿轮的强度高、韧性和耐磨性好。
Employing abrasive machining for the form of the gear and intellective-control carburizing and quenching technology for the surface, the gear is with high intensity, strong tenacity and wearability.
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