After deprived of their land, these peasants meanwhile lose security and dependence, wandering around the edge of the city. It has been one of the most significant social problems in China.
失去土地的农民，没有保障，没有依靠，徘徊在城市的边缘，已经成为中国当前最重大的社会问题之一。
Right figure: the temperature and bias voltage dependence of the measured helical edge conductance.
右图：实验上测得的边缘态电导随温度和测量偏压的变化。
According to the directional correlation-dependence, the proposed algorithm adopted an edge-preservation filtering method to reconstruct the value of the corrupted pixel.
然后根据方向相关依赖性，采用一种边缘保持滤波方法来重构被噪声污染像素的灰度值。
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