The best transform period was secondly defined, and the best periodicity theorem for cat map was given.
定义了矩阵变换的最佳周期概念，给出了猫映射的最佳周期性定理。
Finally, the relevant theory was verified correct by several simulation experiments of cat map in image scrambling, which provided mathematical foundation for image scrambling.
通过图像置乱的仿真实验，验证了相关理论的正确性，从而为图像置乱提供了数学理论依据。
There was a tabby cat standing on the corner of Privet Drive, but there wasn't a map in sight.
只见一只花斑猫站在女贞路的路口，但是没有看见地图。
A 3d map can also allow a robot to find objects in its environment, such as your keys, or avoid obstacles, such as your cat.
3d地图还可以让机器人去发现它的环境，对象，比如你的钥匙，或者避开障碍物，比如你的猫。
A 3d map can also allow a robot to find objects in its environment, such as your keys, or avoid obstacles, such as your cat.
3d地图还可以让机器人去发现它的环境，对象，比如你的钥匙，或者避开障碍物，比如你的猫。
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