By isualization the phased array pulse with a strobed photoelastic system the real picture can be seen.

使相控和光弹系统同步，而可以看到超声传的真实照片。

An application of three dimensional photoelastic stress analysis in a dam with drains for floatage at the Three Gorges Project is described.

叙述了维光弹应力分析在程排漂孔坝段中的应用。