dynamical initiation of crack 裂纹的动态起裂
initiation of stable crack growth [力] 稳态裂纹扩展的开始
initiation of fatigue crack 疲劳裂纹萌生
initiation life of the crack 裂纹形成寿命
initiation angle of wing crack 翼裂纹起裂角
life of crack initiation 裂纹形成寿命
direction of crack initiation 开裂方向
micro-mechanism of crack initiation 裂纹萌生微观机理
The variation of mean CT values in small statistic region is more sensitive to the initiation of crack.
小统计区域平均CT数变化则对裂纹萌生更敏感。
As the fleet ages, there's an increasing need for embedded wireless strain sensors capable of detecting and tracking accumulated strains — "precursors" to crack initiation, according to the official.
随着机群服役时间的增加，对嵌入式无线应力传感器的需求也在不断的增加，通过这些传感器对应力积累进行探测和跟踪，避免飞机机体发生可能的疲劳和破裂。
Corrosion pitting also can lead to fatigue crack initiation depending on the component, the location of pitting, and cyclic loading conditions.
腐蚀斑点还会因不同的部件、斑点的位置和循环载荷状况，导致一些不同的疲劳裂纹。
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