Eagle fell off the edge of the ground crack.
鹰从地面的裂缝边上掉了下去。
The steel reinforcement can be simulated in cementing a strip of ordinary photoelastic material along the crack edge.
沿着裂缝的边缘粘接由普通光弹性材料制成的窄条,即可模拟钢筋。
The measurement of crack height by ultrasonic edge peak echo method and digital signal processing was described, and the results were given.
介绍采用数字信号处理的超声端点反射回波声程测量裂纹高度的方法研究和结果。
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