It USES swimlanes instead of spirals to represent evolutions and rectangular solids instead of cylinders to depict iterations.
它使用泳道代替螺旋来表示演进，并且用长方体代替圆柱来描述迭代。
It USES swimlanes instead of spirals to represent evolutions and rectangular solids instead of cylinders to depict iterations.
它使用泳道代替螺旋来表示演进，并且用长方体代替圆柱来描述迭代。
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