由计算所得的KI和KII数值解，得到了裂纹垂直于层面时此泥板岩的临界断裂曲线。
The critical fracture curve when cracks are vertical to the layered rock mass has also been obtained by using numerical values KI and KII.
用金相显微镜等方法确认了国产FEP树脂的脆性断裂图案是断裂曲线，曲线中心为弱点。
The pattern of a brittle fracture surface of FEP copolymer is confirmed as fracture curve and the center of each curve is a flaw.
如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
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