指出了非对称双级闪耀光栅实现莫尔条纹倍增理论的实质，并简化了实现高倍数光学细分的手段。
The fundamentality of fringe multiplication in DMNG is pointed out. and the means to realize optical subdivision with high multiple is simplified.
实验采用双积分球测量系统以及运用生物组织的反向倍增（IAD）光学模型。
The measurements were performed using a double-integrating-sphere setup, and the optical parameters were assessed from these measurements using the inverse adding-doubling method(IAD).
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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