假设视频画面没有模糊和变形的情况下，抖晃没有改变画面的内容，只是造成了平移、旋转和缩放等效果。

In the absence of blurring or distortion, camera shaking does not modify the frame content, but only shift, rotate and scale the image.

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Ruby Shoes还支持通过线条、椭圆以及路径这些基本元素来创建图形，并支持变形、缩放、旋转这样的操作。

Graphics with primitives such as lines or ovals and paths, and operations for transformation, scaling or rotation.

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扭曲是在部件上施加旋转的扭力。通常使部件被切断，压缩和变形，扭转和扭曲同属于此类别。

Torsion is the use of rotational pressure (torque) on a component. Twisting and torque and included in this category. Causes shearing, compression, and deformation of components.

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