Another rule of nature is found in seashells . the shapes of many of these shells are associated with the spiral pattern in mathematics 海螺则呈现了另一种规律,原来很多贝壳的形状都是属于数学中的等角螺线。
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Another rule of nature is found in seashells . the shapes of many of these shells are associated with the spiral pattern in mathematics 海螺则呈现了另一种规律,原来很多贝壳的形状都是属于数学中的等角螺线。