构造沉降作用 meaning in Chinese

tectonic subsidence

By using the standard deviation method , the scaling properties described by the local fractal dimension d and crossover length tc of 48 measured landform profiles in different direction of 6 different studied landform sections are calculated
负反馈机制表现的越明显；对于以构造沉降作用为主的盆地区而言，各个方向的地形剖线的分维值均显示出小于1 . 5的正反馈机制。