结果表明，轮流交换型任务比自由提供型任务能产生更多的交互修正；
The study shows that the required exchange tasks seem to generate more interactional modifications than optional exchange tasks.
其它湿地类型利用ISODATA—人工交互合并及修正法进行提取。
Other wetland types were extracted using ISODATA combined with man machine interactive combination and interpretation method.
然后交互地修正人脸特点的准确正面位置，并从侧面图象提取特征点的深度；
Secondly the exact front positions of features are rectified by hand with a friendly interface, the depth positions of the feature points are defined from side image manually.
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