使用该技术干涉的对象包括使用阿拉伯语，波斯语，马尔杜语和朴实图语。
The languages in which the interventions are conducted include Arabic, Farsi, Urdu and Pashto.
其关键技术在于解决干涉图处理和波面复原的数据处理问题。
The key techniques are to process the interferogram and to reconstruct the wavefront.
在干涉图的处理中，采用了相位检测和曲线拟合技术，得到了亚象素的测量精度。
The phase detection and curve-fitting techniques have been used in processing the interferogram, and sub-pixel measuring error has been obtained.
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