研究人员也安装了“斜面”传感器（类似于数码气泡水平仪）用以监测邻近的费利比高速大桥底部的未成形裂纹。
The researchers also installed “incline” sensors (akin to digital spirit levels) to monitor cracks forming underneath the adjacent Ferriby Road Bridge.
把试件加载至不同的载荷水平后，向裂纹注入荧光渗透剂；
Under a certain load level, flourescent penetrant is injected into the crack of specimen.
一门断裂分析技术，用于确定已知尺寸的预先存在裂纹扩展并导致断裂的应力水平。
Fracture mechanics. A technique of fracture analysis used to determine the stress level at which preexisting cracks of known size will propagate, leading to fracture.
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