少见的方形植物似如问你:西瓜是什么形状?竹子是什么形状?蟒蛇是什么形状?你一定会肯定地给予回答——它们都是圆形的。数学家告诉我们,圆形物体耗材最省而容积最大,所以酒瓶,油瓶等容器总是圆形的。在自然界,生物多数也采用这种最佳设计方案。可是天下之大,无 The rare square plant seems to ask you: What is the shape of the watermelon? What is the shape of the bamboo? What shape is the python? You will surely give an answer - they are all round. Mathematicians tell us that round objects are the most consumables and have the largest volume, so containers such as wine bottles and oil bottles are always round. In nature, most of the creatures also use this optimal design. But the world is big, no