The median filtering is a common method in image processing, but it is limited when it faces the swash noise of space high density, because it depends on the fixed Windows and the data points.

中值滤波是图像处理中比较常用的滤波方法，但是它对窗口和数据点的依赖使它在处理空间密度较大的冲激噪声时受到限制。

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In the research on the existence and uniqueness of fixed points of operators as well as the method for finding them, the action of the relative lengthened degree was noticed about seventy years ago.

在研究算子不动点的过程中，人们早已注意到算子的相对伸长度在证明其不动点存在唯一性以及寻找不动点中的作用。

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The traditional method of temperature detection cable uses the thermistors and thermocouples as temperature sensors. Usually the temperature sensors are installed in some fixed points in the cables.

传统的电力电缆温度检测方法中，经常将点式温度传感器如热敏电阻或者热电偶装在电缆的某些重要部位进行数据采集。

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