压延机框架带有加强肋，并经过膨胀处理，从而赋予最佳的刚性，防止发生扭曲和振动。

The calender frames are provided with stiffening ribs and distension treatment granting the maximum rigidity together with the absence of distortions and vibrations.

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整个变换过程为刚性变换，产品不会发生扭曲变形。

There is no distortion in product because of the rigid transform.

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该算法不但考虑到传感器位置变化引起的旋转和平移等整体刚性形变，而且还考虑云的扭曲所引起的局部非刚性形变。

The global rigid deformation of the image is mainly caused by the position changes of the sensor, and it includes rotation and shift. Cloud's distortion results in the local nonrigid deformation.

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