多数为7/Mps
实验结果如同Scott - Samuel博士在公共科学图书馆报告所说，志愿者对慢速移动或图案对比度不强的物体移动速度判断较准确。
The upshot, as Dr Scott-Samuel reports in the Public Library of Science, was that participants were not fooled by slow-moving rectangles, nor by low-contrast ones.
我想，如果你不同的速度，其中一个电动机会产生不同的图案。
I imagine that if you varied the speed of one of the motors it would create different patterns.
最黑暗的需求，以最缓慢的速度，调和成一致的图案。
The darkest need, The slowest speed, The pattern reconciled.
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