ARGIN: 0cm 0cm 0pt" class=MsoNormal>ang=EN-US> ary name="EnDivSummary">In order to efficiently extract quantitative parameters in active tectonics research, JXamespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />ative="False" HasSpace="False" SourceValue="4" UnitName="C">4C digital photogrammetric system has been used to found stereo model based on CORONA KH-4B stereo pairs with ative="False" HasSpace="True" SourceValue="2" UnitName="m">2 m resolution, which were declassified in 1995 by ace w:st="on">USAace> for scientific purpose. These processing techniques are applied in a case study of the Kuqa fold-and-thrust belt in southern ace w:st="on">Tianshan, Chinaace>, to quantitatively analyze the Kumugeliemu active fault and the Qiulitage active fault-related folds, considering the seismic reflection profiles therein and data from field measurements. Results show that the ace w:st="on">CORONAace> stereo pairs can be used in JXative="False" HasSpace="False" SourceValue="4" UnitName="C">4C digital photogrammetric system, and root mean square error (RMS) of relative orientation is about ative="False" HasSpace="True" SourceValue=".01" UnitName="mm">0.01 mm, while absolute orientation is about ative="False" HasSpace="True" SourceValue="10" UnitName="m">10 m. amespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />