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在同一平面内，不在同一条直线上的三点顺直连接后就构成了三角形。古代埃及法老利用了这三角形的稳固、坚定、耐压的特点，制造出了金字塔这一世界奇迹。金字塔依三角形的定律以其独特的构造，支撑起了那永久的压力。 In the same plane, three points which are not on the same straight line are connected in a straight way to form a triangle. The ancient Egyptian pharaohs made use of the stability, firmness and pressure resistance of the triangle to create the pyramid, a world miracle. According to the law of triangle, pyramid supports the permanent pressure with its unique structure. 参天大树挺拔耸立，枝繁叶茂，正是来自于深扎大地的根与干构成的三角形的支撑。所以，根死树必枯。 The towering trees stand tall and have luxuriant branches and leaves, which are just the support of the triangle formed by the roots and stems deeply rooted in the earth. Therefore, the dead tree will wither. 凌云高楼巍峨壮观，气势撼人，正因为那来自坚实基石构成的三角形无语的支撑。所以，基陷楼必危。 Lingyun high-rise is majestic and impressive, because it comes from the silent support of the triangle formed by the solid foundation stone. Therefore, the building will be in danger. 刚强的柱石支撑起了百年不倒的大桥，坚韧的钢轨支撑起了呼啸奔驰的列车。因为它们都得益于三角形结构的支撑。 | 
