除了主应力和条纹外，还有许多细栅格线，因此利用富氏光学系统可使应力条纹得到倍增。
Many fine gratings are observed on the isopachic pattern. The multiplication is easy to perform by using Fourier Filter System.
除了主应力和条纹外，还有许多细栅格线，因此利用富氏光学系统可使应力条纹得到倍增。
Many fine gratings are observed on the isopachic pattern. The multiplication is easy to perform by using Fourier Filter System.
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